Asteroids floating through our Solar System are debris left over from when our planetary neighbourhood formed 4.6 billion years ago. Scientists study these ancient fragments as time capsules that reveal secrets about our Solar System's earliest days. Now, new research has uncovered a surprising connection between two completely different types of asteroids that may actually share the same dramatic origin story.
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A Promising New Method for Detecting Supernovae at Record Speed
Supernovae are among the most energetic phenomena in the Universe, and definitely one of the most spectacular! These events take place when a star has reached the end of its life cycle and undergoes gravitational collapse at its center, exploding and shedding its outer layers in the process. For astronomers, supernovae are not only a fascinating field of study, shedding light on the evolution of stars, but are also a means of measuring distance and the rate at which the Universe is expanding. They are an essential part of the Cosmic Distance Ladder because their brightness makes them very reliable "standard candles."
SpaceX scrubs crucial Starship Flight 10 launch again, this time due to weather
SpaceX scrubbed the planned 10th test flight of its Starship megarocket for the second day in a row today (Aug. 25), this time because of some uncooperative clouds.
'Star Wars: Visions' season 3 release date, 1st glimpse unveiled at Anime NYC 2025
Lucasfilm unveiled a sneak peek at Volume 3 of "Star Wars: Visions" that hints at something new coming from a galaxy far, far away.
The World Court just ruled countries can be held liable for climate change damage – what does that mean for the US?
The opinion opens a door for future claims by countries seeking reparations for climate-related harm.
'Alien auroras' on Jupiter reveal a new kind of plasma wave, scientists say
Scientists using NASA's Juno spacecraft have discovered a new plasma wave in Jupiter's auroras, offering fresh insight into space weather and magnetism.
The "Wow!" Signal Gets An Update - It Was Even Strong Than We Thought
The “Wow!” signal has been etched red marker in the memory of advocates for the search for extraterrestrial intelligence (SETI) since its unveiling in 1977. To this day, it remains one of the most enigmatic radio frequency signals ever found. Now a new paper from a wide collection of authors, including some volunteers, provides some corrections, and some new insights, into both the signal and its potential causes.
Live coverage: SpaceX preps for Starship Flight 10 following Sunday scrub
Several people wander the dunes surrounding Launch Pad A at Starbase, Texas, to marvel at the fully integrated Starship rocket designed to launch Starship Flight 10. Image: Stephen Clark / Ars Technica
SpaceX is preparing for its second attempt to launch the 10th test flight of a Starship rocket from southern Texas as soon as Monday evening, but first its needs to fix an issue with its liquid oxygen system at the launch site.
Could black hole mergers finally solve the Hubble tension? Probably not
Astronomers just ruled out merging black holes as a possible solution to a giant discrepancy plaguing cosmology.
Venus quiz: How much do you know about this hottie?
This quiz will test your knowledge of Venus' wild weather, strange geology, and mythological roots.
Supernova blast sculpts ghostly hand-shaped nebula in the cosmos (video)
An image from NASA's Chandra X-ray observatory shows a glowing hand stretching across the cosmos with its palm and fingers sculpted from the wreckage of a massive stellar explosion.
Eclipse experts' best travel tips for the total solar eclipse 2027
Find expert weather insights and travel advice in this essential guide to the 2027 total solar eclipse in Spain, Egypt and North Africa.
Dark matter could create black holes that devour exoplanets from within
Dark matter could gather at the heart of Jupiter-sized worlds, eventually creating a black hole that eats its way out of its exoplanet host.
Cargo ship docks with International Space Station
An unpiloted SpaceX Dragon capsule loaded with 2.5 tons of supplies, research material and needed equipment approaches the International Space Station over western Africa. Image: Sen 4K camera
An unpiloted SpaceX cargo ship docked at the International Space Station early Monday, delivering more than 5,000 pounds of equipment and supplies including 1,500 tortillas, the crumb-free bread substitute for crews dining in weightlessness.
Don't miss Mars close to the slender crescent moon at sunset on Aug. 26
The crescent moon will be positioned close to Mars soon after sunset on Aug. 26
Radio dish on the move | Space photo of the day for Aug. 25, 2025
It makes it easier to drive an extremely heavy radio dish when you can do it remotely.
ESA data records help underpin climate change report
According to the newly released 35th State of the Climate report, 2024 saw record highs in greenhouse gas concentrations, global land and ocean temperatures, sea levels, and ocean heat content. Glaciers also suffered their largest annual ice loss on record. Data records from ESA’s Climate Change Initiative helped underpin these findings.
Finding Life Using Old Instruments In New Ways
Using scientific instruments in novel ways is a common practice, but still results in significant new discoveries. But sometimes, it doesn’t happen so much as a “that’s funny” moment as an intentional new use of old equipment. A new paper from researchers that Imperial College London (ICL), PhD student Solomon Hirsch and his advisor Mark Sephton, shows how the gas chromatograph-mass spectrometers that have been a mainstay of Martian probes since the Viking era could be used to find extant life there.
60-Second Astro News: Light Pollution, Birds, and Zambuto Mirrors
In this roundup of recent news, birds react to light pollution and a respected mirror maker calls it a day.
Juice team resolves anomaly on approach to Venus
The European Space Agency’s Jupiter Icy Moons Explorer (Juice) is on track for its gravity-assist flyby at Venus on 31 August, following the successful resolution of a spacecraft communication anomaly that temporarily severed contact with Earth.
