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NASA rover discovers first ruby-like crystals on Mars
Astronomers have detected small, ruby-like crystals embedded in Martian rocks, which may also hide sapphires created in the fury of meteorite impacts.
Cannonball-size meteorite crashes through roof of Texas home as multiple 'fireballs' rain down on the US
A suspected space rock, around the size of a cantaloupe, was found in the bedroom of a Houston home after crashing through the building's roof. It is likely a fragment of one of several "fireball" meteors that exploded over the U.S. in the past week.
How to photograph a meteor shower — Next up: The Lyrids
A guide to photographing meteor showers all year round, with timely advice for making the most of the upcoming Lyrids in April.
An anomaly in Mars' mantle could trigger volcanoes to erupt — and may be causing the whole planet to spin faster
Data from NASA's InSight mission suggests the Red Planet's Tharsis region is more active than previously thought and may be why Mars is spinning more quickly over time.
Scientists witness birth of one of the universe's strongest magnets for the first time, thanks to a general relativity 'magic trick'
Astronomers have detected strange "wobbles" in the light curve of a super bright supernova, hinting that a magnetar was born inside the extreme stellar explosion.
All 5 'letters' of DNA found on an asteroid speeding through our solar system. What do they tell us about the origins of life?
JAXA samples reveal that asteroid Ryugu has a complete set of nucleobases, the building blocks of DNA, suggesting these ingredients of life may be common in the solar system.
Rare 'daytime fireball' meteor creates powerful sonic boom as 7-ton space rock explodes above eastern US
A fridge-size space rock spectacularly broke apart over Ohio at 40,000 mph, creating a loud boom and a "fireball" that shone in the bright blue daytime sky. The rare sight, which exploded with the equivalent force of 250 tons of TNT, was also seen from space.
'A collision within a collision': Neutron star merger hiding in mini-galaxy could answer 2 big astrophysics questions
A powerful "gamma-ray burst" has been seen exploding from merging neutron stars hidden within a previously unknown mini-galaxy leftover from an ancient cosmic crash. The "collision within a collision" could help answer multiple astrophysics questions, researchers say.
'Interstellar messenger' 3I/ATLAS could be nearly as old as the universe itself, James Webb telescope observations reveal
The comet formed in a cold and distant part of the early Milky Way up to 12 billion years ago, potentially putting it just under 2 billion years the age of the universe.
Universe-shaking collision of black hole and neutron star could upend our understanding of monster cosmic mergers
The catastrophic collision of a black hole and a neutron star sent ripples across the universe. New analysis of those ripples could upend a major theory about how these extreme pairs form.
