From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.
In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...
The interstellar visitor Comet 3I/ATLAS passed Earth with Harvard astrophysicist Avi Loeb saying it could be an alien probe.
The mysterious interstellar comet 3I/ATLAS has been the focus of public speculation since its discovery on 1 July 2025. Now, a top Harvard physicist has proposed a bold new use for such visitors. In a ...