Scientists have discovered a meteorite older than Earth, offering the earliest clues to how the Solar System formed and how ...

For the past 60 years, Earth has had a secret companion in space—a quasi-moon that has been sharing our planet’s orbit around ...

Mysterious nickel gas detected in interstellar comet 3I/ATLAS, revealing unexpected chemistry at enormous distances from the ...

In a move that has electrified the scientific community, NASA will host a live event at 3 p.m. EST, Wednesday, Nov. 19, to ...