Musk compared consciousness to a candle in a “vast darkness" during remarks about aliens at the World Economic Forum in Davos ...

Harvard astrophysicist Avi Loeb identifies 18 anomalies of interstellar object 3I/ATLAS, raising questions about whether it ...

Mars is famous for its volcanoes, canyons and ancient river valleys, but some of its most active geology happens in slow ...

A scientist argued that a Viking lander experiment in 1976 detected microbial life on Mars and urged NASA to repeat the tests ...

Some sci-fi movies get even better with time, offering mind-blowing spectacle or new storytelling layers with each rewatch.

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

Elon Musk is giving you a chance to become immortal. On X, the tech billionaire revealed a way you can reach immortality soon, and perhaps have your stories be read by aliens in the distant future.

Lightning has captured people's fascination for millennia. It's embedded in mythology, religion and popular culture. Think of ...

The short answer is stars will come first. Stars are the components of galaxies. because they're so massive. of materials ...

Scientists have discovered a mysterious hole on the surface of Mars, and they have no idea what lies inside it. This pit, located in the Arsia Mons region — one of Mars’ giant volcanoes — could ...

NASA’s Perseverance rover has spotted a desk-sized rock, nicknamed Phippsaksla, on Mars that looks suspiciously like an iron-rich meteorite. Roughly 31 inches wide (80 centimeters) wide, the lonely ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a technosignature. Reading time 3 minutes From the moment astronomers discovered ...