Sun News

November 20, 2024

Top Headlines

Long-Sought Measurement of Exotic Beta Decay in Thallium Helps Extract the Timescale of the Sun's Birth

Nov. 14, 2024 — How long did it take our Sun to form in its stellar nursery? Scientists are now closer to an answer. They succeeded in the measurement of the bound-state beta decay of fully-ionized thallium ions at ...

New Solar Composition Ratios That Could Reconcile Longstanding Questions

Nov. 12, 2024 — A team combined compositional data of primitive bodies like Kuiper Belt objects, asteroids and comets with new solar data sets to develop a revised solar composition that potentially reconciles spectroscopy and helioseismology measurements for the ...

Swirling Polar Vortices Likely Exist on the Sun

Nov. 11, 2024 — Like the Earth, the Sun likely has swirling polar vortices, according to new research. But unlike on Earth, the formation and evolution of these vortices are driven by magnetic ...

Asteroid Grains Shed Light on the Outer Solar System's Origins

Nov. 6, 2024 — Tiny grains from asteroid Ryugu are revealing clues to the magnetic forces that shaped the far reaches of the solar system over 4.6 billion years ago. The findings suggest the distal solar system harbored a weak magnetic field, which could have ...

Latest Headlines

updated 11:05pm EST

NASA's Hubble, Webb Probe Surprisingly Smooth Disk Around Vega

Nov. 1, 2024 — Teams of astronomers used the combined power of NASA's Hubble and James Webb space telescopes to revisit the legendary Vega ...

NRL Coronagraph Captures Unique Images of a Dusty Comet

Oct. 23, 2024 — U.S. Naval Research Laboratory (NRL) imaging instruments on three sun-orbiting observatories have captured sequences of comet C/2023 A3, known as Tsuchinshan-ATLAS, as it passed between the Earth and ...

NASA, NOAA: Sun Reaches Maximum Phase in 11-Year Solar Cycle

Oct. 15, 2024 — Experts have announced that the Sun has reached its solar maximum period, which could continue for the next year. Scientists will not be able to determine the exact peak of this solar maximum period ...

Researchers Find Clues to the Mysterious Heating of the Sun's Atmosphere

Oct. 11, 2024 — Researchers have made a significant advancement in understanding the underlying heating mechanism of the sun's atmosphere, finding that reflected plasma waves could drive the heating of coronal ...

Lightning Strikes Kick Off a Game of Electron Pinball in Space

Oct. 10, 2024 — When lightning cracks on Earth, especially high-energy electrons may fall out of Earth's inner radiation belt, according to a new study -- an electron 'rain' that could threaten satellites, and even ...

NASA's Hubble, New Horizons Team Up for a Simultaneous Look at Uranus

Oct. 11, 2024 — NASA's Hubble Space Telescope and New Horizons spacecraft simultaneously set their sights on Uranus recently, allowing scientists to make a direct comparison of the planet from two very different ...

NASA's Hubble Watches Jupiter's Great Red Spot Behave Like a Stress Ball

Oct. 9, 2024 — Astronomers have observed Jupiter's legendary Great Red Spot (GRS), an anticyclone large enough to swallow Earth, for at least 150 years. But there are always new surprises -- especially when NASA's ...

Winds of Change: James Webb Space Telescope Reveals Elusive Details in Young Star Systems

Oct. 7, 2024 — Planet-forming disks, maelstroms of gas and dust swirling around young stars, are nurseries that give rise to planetary systems, including our solar ...

A New Era of Solar Observation

Oct. 3, 2024 — For the first time, scientists have taken near-daily measurements of the Sun's global coronal magnetic field, a region of the Sun that has only been observed irregularly in the past. The resulting ...

Physicists Explore Possibility of Life Beyond Earth

Oct. 1, 2024 — Are there planets beyond Earth where humans can live? The answer is maybe, according to physicists examining F-type star ...

A New Birthplace for Asteroid Ryugu

Sep. 27, 2024 — Asteroid Ryugu possibly did not travel as far from its place of origin to its current near-Earth orbit as previously assumed. New research suggests that Ryugu was formed near Jupiter. Earlier studies ...

This Rocky Planet Around a White Dwarf Resembles Earth -- 8 Billion Years from Now

Sep. 26, 2024 — A 2020 microlensing event was caused by a planetary system with an Earth-like planet and brown dwarf. The star type was uncertain. The team has determined that the star is a white dwarf, a system ...

Astronomers Catch a Glimpse of a Uniquely Inflated and Asymmetric Exoplanet

Sep. 24, 2024 — Astronomers have observed the atmosphere of a hot and uniquely inflated exoplanet using NASA's James Webb Space ...

A Wobble from Mars Could Be Sign of Dark Matter

Sep. 17, 2024 — Watching for changes in Mars' orbit over time could be new way to detect passing dark matter, according to ...

Magnetic Field Maps of the Sun's Corona

Sep. 11, 2024 — Astronomers have achieved a major breakthrough in solar physics by successfully producing detailed maps of the Sun's coronal magnetic fields. This milestone promises to enhance our understanding ...

Astronomers Track Bubbles on Star's Surface

Sep. 11, 2024 — Astronomers have captured images of a star other than the Sun in enough detail to track the motion of bubbling gas on its surface. The images of the star, R Doradus, were obtained in July and August ...

Gigantic Asteroid Impact Shifted the Axis of Solar System's Biggest Moon

Sep. 3, 2024 — Around 4 billion years ago, an asteroid hit the Jupiter moon Ganymede. Now, a researcher realized that the Solar System's biggest moon's axis has shifted as a result of the impact, which ...

Dark Matter Could Have Helped Make Supermassive Black Holes in the Early Universe

Aug. 28, 2024 — Supermassive black holes typically take billions of years to form. But the James Webb Space Telescope is finding them not that long after the Big Bang -- before they should have had time to form. ...

Meteor Showers Shed Light on Where Comets Formed in the Early Solar System

Aug. 22, 2024 — Researchers studying meteor showers have found that not all comets crumble the same way when they approach the Sun. In a new study, they ascribe the differences to the conditions in the ...

Explanation Found for X-Ray Radiation from Black Holes

Aug. 20, 2024 — Researchers have succeeded in something that has been pursued since the 1970s: explaining the X-ray radiation from the black hole surroundings. The radiation originates from the combined effect of ...

Spectacular Increase in the Deuterium/hydrogen Ratio in Venus' Atmosphere

Aug. 20, 2024 — Our understanding of Venus' water history and the potential that it was once habitable in the past is being challenged by recent ...

Tracking Down the Asteroid That Sealed the Fate of the Dinosaurs

Aug. 16, 2024 — The asteroid that led to the extinction of the dinosaurs 66 million years ago probably came from the outer solar ...

SwRI-Led Team Finds Evidence of Hydration on Asteroid Psyche

Aug. 13, 2024 — Using data from NASA's James Webb Space Telescope, astronomers have confirmed hydroxyl molecules on the surface of the metallic asteroid Psyche. The presence of hydrated minerals suggests a ...

Astronomers Uncover Risks to Planets That Could Host Life

Aug. 5, 2024 — A groundbreaking study has revealed that red dwarf stars can produce stellar flares that carry far-ultraviolet (far-UV) radiation levels much higher than previously ...

Scientists Pin Down the Origins of the Moon's Tenuous Atmosphere

Aug. 2, 2024 — Scientists say they have identified the main process that formed the moon's atmosphere and continues to sustain it today. The team reports that the lunar atmosphere is primarily a product of ...

Key to Rapid Planet Formation

Aug. 1, 2024 — Researchers have developed a new model to explain the formation of giant planets such as Jupiter, which furnishes deeper insights into the processes of planet formation and could expand our ...

The Rotation of a Nearby Star Stuns Astronomers

July 31, 2024 — Astronomers have found that the rotational profile of a nearby star, V889 Herculis, differs considerably from that of the Sun. The observation provides insights into the fundamental stellar ...

The Corona Is Weirdly Hot: Parker Solar Probe Rules out One Explanation

July 30, 2024 — By diving into the sun's corona, NASA's Parker Solar Probe has ruled out S-shaped bends in the sun's magnetic field as a cause of the corona's searing ...

Images of Nearest 'Super-Jupiter' Open a New Window to Exoplanet Research

July 24, 2024 — Using the James Webb Space Telescope (JWST), astronomers imaged a new exoplanet that orbits a star in the nearby triple system Epsilon Indi. The planet is a cold super-Jupiter exhibiting a ...

Researchers Explore the Effects of Stellar Magnetism on Potential Habitability of Exoplanets

July 22, 2024 — A study extends the definition of a habitable zone for planets to include their star's magnetic ...