Scientists studying Mars may have uncovered a brand-new mineral hidden in the planet’s ancient sulfate deposits. By combining laboratory experiments with orbital data, researchers identified an ...

Two planets crashed into one another in a violent, chaotic collision that astronomers recently witnessed 11,000 light-years ...

So, it came as a shock to many people when, in 1781, it was announced that a seventh planet, the first to be discovered since ...

NASA’s DART mission proved that a spacecraft can nudge an asteroid system in space, offering a real test of planetary defense ...

On March 13, 1781, Sir William Herschel discovered Uranus, the seventh planet from the sun. [‘On This Day in Space’ Video Series on Space.com] Before Herschel discovered Uranus, other astronomers had ...

A seemingly regular, Sun-like star began acting really weird, flickering haphazardly as its light faded in and out. The cause of the star’s strange behavior may have been a cosmic catastrophe that’s ...

Astronomers have found an exoplanet that could serve as a benchmark in future studies. It's a rocky planet orbiting an M-type star, and though these planets are plentiful, this one could serve as a ...

Cornell students reflect on the Artemis program seeking to return astronauts to the Moon and establish a sustained scientific presence there.

Two long-lost episodes from a crucial Doctor Who storyline featuring William Hartnell's First Doctor have miraculously been ...

Up until now, exoplanet surveys have mostly focused on nearby, bright stars that are sun-like or are red dwarfs, which are known to frequently host planets. While astronomers have discovered thousands ...

Astronomers have witnessed evidence of an extremely violent collision between planets, and it resembles the event in Earth's history that created the moon.