WASP-121b is like nothing in the solar system, raining liquid metal and being puffy like a marshmallow. The origins of these ...

New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where ...

Mysterious little red dots threatened to overhaul modern cosmology—but new research may have solved the celestial conundrum.

These are the breakthrough technologies MIT believes will significantly change our lives not only in 2025 but for decades to ...

February brings a rare planetary parade, with five bright planets in clear view and a special alignment of Mercury and Saturn ...

SPHEREx is slated to launch Feb. 27 on a SpaceX rocket. It is meant to map the entire night sky in infrared — something even the JWST can't exactly do.

First spotted last month by a telescope in Chile, the near-Earth asteroid — designated 2024 YR4 — is estimated to be 130 to 330 feet (40 to 100 meters) across.

A recently discovered, sizable asteroid may come within striking distance of Earth in less than eight years. But although the ...

Jets blasting from supermassive black holes cause gas to cool and fall toward that cosmic titan in a cosmic feeding process.