Is 3I/ATLAS an alien probe? Breakthrough Listen uses the Green Bank Telescope to search for technosignatures as the ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

A group of Chinese scientists is diving deep into the cosmos in search of alien radio signals from the TRAPPIST-1 star system ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

So, to create a must-read story list for you, we asked our staff to select their favorite pieces of 2025. Alas, while you're ...

A team of astronomers have used the Hubble space telescope to capture with direct imaging asteroids smashing into each other ...

The Trump administration says 1.9 million immigrants who were illegally living in the U.S. voluntarily self-deported this year.

NASA ’s James Webb Space Telescope has found the strongest evidence yet that a small, rocky planet outside our solar system ...

Imagine a planet orbiting the largest known star, Stevenson 218. This video explores the tantalizing scientific possibility ...

The Terra Hunting Experiment will track the wobbles of dozens of stars nightly for years in the most focused hunt yet for an ...

Samus Aran, the science fiction protagonist in the Metroid series, is arguably Nintendo’s most mysterious character. She ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.