A glowing ring of metal fell to Earth, and no one has any idea what it is
The comb jelly, one of the oldest animals on Earth, can fuse with another
‘Mathematically perfect’ star system discovered 105 light-years from Earth may still be in its infancy. Could that change its prospects for life?
This mini documentary about the coldest town on Earth is stunning
Just a fraction of the hydrogen hidden beneath Earth’s surface could power Earth for 200 years, scientists find
Astronauts on ISS beam holiday cheer to Earth for Christmas (video)
New thunderstorms wider than Earth are spewing out green lightning on Jupiter — and could make one of the gas giant’s massive bands disappear
Daffy Duck and Porky Pig fend off an alien invasion in ‘The Day The Earth Blew Up: A Looney Tunes Movie’ (video)
Human artifacts abandoned on Mars should be cataloged to track our migration beyond Earth
Brain cells remain healthy after a month on the International Space Station, but mature faster than brain cells on Earth
Boeing Starliner astronauts will return to Earth in March 2025 after new NASA, SpaceX delay