NASA’s Transiting Exoplanet Survey Satellite (TESS) has been used to discover Earth-size planet TOI 700 e. It is "orbiting within the habitable zone of its star – the range of distances where liquid ...

The O2O system could send more data to Earth than ever before, NASA says.

Musk's memo announcing SpaceX and xAI's merger is full of space jargon. Here's your cheat sheet to bring the wonky language ...

Fired from a vast sunspot, the "coronal mass ejection" is expected to reach Earth on either Thursday or Friday this week.

NASA plans an on-pad repair of the fuel leak that derailed an overnight dress rehearsal countdown for the agency's huge ...

The countdown is complete and SpaceX has finally acquired xAI in a deal valued at around $1.25 trillion.

A strong solar flare peaked just after 9 a.m. Tuesday. What does that mean?

In the early hours of December 19, 2025, a rare interstellar object known as 3I/ATLAS will make its closest approach to Earth ...

A rare disruption like a major solar storm could overwhelm Earth's satellite system and trigger a debris-producing disaster ...

These chemical oddities may explain why Earth seems to be deficient in certain elements — and could prove useful in catalysts ...

It's no understatement to say that the modern world could not function without our satellites, but they're a lot more ...

A hydrogen leak has pushed back NASA's plans to launch the Artemis II mission to send humans around the Moon to March, at the earliest.