Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...

As 3I/ATLAS starts its long, lonely journey into the cold depths of interstellar space, it leaves behind a trail of data that ...

Is 3I/ATLAS a natural comet or an alien probe? Harvard's Avi Loeb explores the mystery of its sunward 'anti-tail' and what it ...

Until now, scientists believed that Mars’ skylights – pits in the surface of mars – were formed by volcanic activity. But ...

Some scientific breakthroughs may be lost to time due to scandal and redaction, while others are simply a case of waiting for ...