When an interstellar visitor slices through the solar system, astronomers usually have to make do with a fleeting, side-on ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...

Scientists discover 26 new bacterial species in NASA cleanrooms, revealing surprisingly resilient microbes with potential ...

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

Tantalising signs of past microbial life showed up on Mars this year, but to truly know whether they contain the answer to ...

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

Amazon billionaire Jeff Bezos and wife Lauren Sanchez have added an out-of-this-world element to their $165 million Beverly Hills mansion: a UFO-shaped structure that is believed to serve as a custom ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

Depending on who you ask — and what you’re willing to believe — aliens are real. And they’ve visited Vandenberg Space Force ...

The Perseverance rover has been exploring Jezero Crater for years, but it's never found an otherworldly object quite like ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...