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 neighbor, which lies just 4.2 light-years away — thanks to a powerful new ...

How can a comet from another star system have a tail pointing toward the Sun? This counter-intuitive phenomenon, observed for ...

Scientists around the world are confronting unexpected radio silence and puzzling measurements from interstellar object ...

A strange, layered structure in deep space has captured astronomers’ attention, looking uncannily like a cosmic sandwich ...

Scientists have discovered a giant cosmic filament where galaxies spin in sync with the structure that holds them together.