After looping through space for 53 years, a wayward Soviet spacecraft called Kosmos-482 returned to Earth, entering the planet's atmosphere at 9:24 a.m. Moscow time Saturday, according to Roscosmos, ...

1. Question: What is the largest planet in our solar system? Answer: Jupiter 2. Question: What is the fastest animal on land? Answer: The cheetah 3. Question: What are the three layers of the Earth?

A star in a faraway galaxy is sending itself into a spiral of doom, repeatedly plunging through a disk of hot gas surrounding ...

Earth's atmosphere pulses in sync with the sun's fiery outbursts, indicating it is more sensitive to solar activity than previously thought, according to new research.

From meteor showers to constellations, here's everything you need to know about observing the summer sky using the unaided ...

A bright Moon dominates the sky, passing two bright stars as Juno reaches opposition and Mercury dips toward the horizon in ...

From solar probes to deep space missions, these record-breaking human-made objects reached speeds that make bullets and jets ...

New views of TOI-421 b by JWST gives insight into how the most common type of planet in the galaxy might form.

A breathtaking new video compresses more than a decade of deep-space observation into a few seconds, revealing the hypnotic ...

The moon spent a few million years as a volcanic wasteland, covered with ongoing eruptions that spewed from mountains and ...

The exoplanet 2M1510 (AB) b makes an unusual orbit around a pair of brown dwarfs, objects bigger than gas-giant planets but ...

What's happening in the skies over North Texas this month? May holds some spectacular sights in the night and morning sky.