In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

A theory as to why we haven't heard from aliens which renowned theoretical physicist and cosmologist Stephen Hawking agreed with has resurfaced online. Planet Earth is about the size of a speck of ...