In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

When 3I/ATLAS swept past the sun in late October 2025, it became only the third confirmed visitor from interstellar space ...

In late November 2025, astronomers captured an unprecedented cosmic signature: the first X-ray emissions ever detected from ...

The past 12 months have read like a science-fiction novel, with thousands of UFOs swarming over the US East Coast, an ...

I/ATLAS shows baffling energy and composition that defy cometary physics, sparking scientific scrutiny and debate over its ...

You're going to see a lot of stories in 2026 claiming soon-to-be-achieved science and tech advances. Here are the ones just ...

A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our ...

As the interstellar comet 3I/ATLAS sweeps through the inner solar system, it has become a magnet for both scientific ...

Rare wobbling jets detected in interstellar comet’s sun-facing tail The first such outgassing seen in a comet from another ...

Futurist Michio Kaku sees humans doing ballet on Mars and projecting their brains into the cosmos. And aliens? Oh, they're ...

An alien comet, a Martian volcano, a man’s fall from the sun and a groundbreaking telescope’s first images: Here are the most jaw-dropping space photos of 2025.