A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

A coronal mass ejection on another star has been witnessed in its entirety for the first time, revealing that when these ...

The space object, named Chiron, is believed to be a piece of rock measuring a whopping 130 miles wide at its broadest point - ...

What's special about Chiron's rings is that they're still forming; this marks the first time astronomers have ever seen a ...

Astronomers are abuzz with the discovery of a rogue planet, 2MASS J05325346+0919037, which is set to pass within 0.05 ...

An interstellar comet that originated outside our solar system just flew by the sun. Next, the object will fly by Earth in December.

When evaluating possible planets out of the thousands out there, explained Prof. Bean, scientists look for liquid water as a ...

Viewed from orbit, Jackass Flats — situated in southern Nevada about 65 miles northwest of Las Vegas — could easily be confused for Mars. The alluvial basin is full of tan and gray regolit ...

Over the past seven decades, thousands of sophisticated spacecraft have been launched on ambitious missions to look down on ...

Astronomers have discovered asteroid 2025 SC79, a skyscraper-sized space rock orbiting the sun in just 128 days. the ...

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...