Brace yourselves. Asteroid 2024 YR4 — a rock also dubbed as a “city killer” — might just deliver our Moon a cosmic punch.

A red supergiant star is surrounded by a sphere of dust and gas so large there is no known explanation for what produced it ...

Espinoza is a leader in the new massive James Webb Space Telescope study of rocky worlds, specifically to find out if planets around red dwarfs could have air. The campaign, first reported by Mashable ...

As scientists wait for the asteroid to reappear, its revised trajectory is now drawing attention to another possible target: ...

For two years, Col. Raj Agrawal commanded the US military unit responsible for tracking nearly 50,000 human-made objects ...

Radio astronomers like a bit of peace and quiet, so they're sending an historic first radio telescope to the Moon. To block ...

Early-career researchers’ access to neutron-beam instruments jumped from 61% to 78% at one Australian facility.

Astronomers may have found a rare intermediate-mass black hole outside galaxy NGC 6099—offering clues about how bigger black holes form.

The urban astronomy movement #PopScope has set up telescopes on sidewalks that have brought 26,000 people closer to the night ...

Showing that you shouldn't draw conclusions based on too few facts, new NASA research suggests that a decades-old view of Uranus as an unusually cold planet isn't true, but that it does actually ...