Mercury, the closest planet to the sun, moves faster than Earth. It orbits the sun in 88 days, as opposed to our 365. So ...

John Casani, who has died aged 92, was an American spaceflight engineer who led the teams that pioneered Nasa’s explorations ...

Behold! The 2025 ZWO Astronomy Photographer of the Year Awards shortlist has been released, showcasing a spectacular array of ...

Have you ever wondered what our solar system looked like 3.8 billion years ago? Were the planets we know today anything like ...

Have you ever wondered why all the planets in our solar system orbit in the same plane? This fascinating characteristic of planetary orbits has intrigued astronomers for centuries. When we observe the ...

Newly released imagery from NASA shows the Sun's corona in stunning detail after the Parker Solar probe performed its closest ...

Mercury is the smallest planet in the Solar System and also the closest planet to the Sun. Mercury orbits the Sun at an ...

This evening’s viewing challenge is the planet Mercury. It is less than half a fist above the west-northwestern horizon at ...

NASA senior staff are being offered the opportunity to leave voluntarily before the axes start swinging, and it seems likely that thousands will take the escape hatch.

On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope, located in northern Chile, ...

Centimeter-sized pebbles have been detected in protoplanetary discs using e‑MERLIN, filling in a critical phase of planet ...

During a record-breaking flight through the sun’s corona in Dec. 2024, NASA’s Parker Solar Probe captured the closest-ever ...