Morning Overview on MSN

3I/ATLAS reappears and immediately stuns astronomers

The interstellar comet 3I/ATLAS has swung back into view after passing behind the Sun, and its return is proving even ...
Morning Overview on MSN

Did life start on Mars? A revived theory is shaking the origin story

Hints of ancient microbes in Martian rocks and a revived theory about our cosmic ancestry are forcing scientists to rethink ...