Astronomers have made a significant breakthrough in space exploration by discovering over 6,000 planets outside our solar system, known as exoplanets. This milestone has not only expanded our ...

Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that ...

Since the 1990s, scientists have discovered approximately 6,100 planets outside our solar system, called exoplanets.

Astronomers have spotted an unusual 'inside-out' planetary system where a rocky world seems to have formed far beyond the realm typically reserved for gas giants.

The number of confirmed planets outside of our solar system—known as exoplanets—has risen to 6,000, NASA has said. There is huge variety across these distant worlds, the space agency says, with ...

A mysterious interstellar comet — just the third such object ever confirmed to have entered our solar system — streaked past Mars last week. A spacecraft in orbit around the red planet had a front-row ...

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

Earth seems to have its first fuzzy photos of alien planets outside our solar system, images captured by two teams of astronomers. The pictures show four likely planets that appear as specks of white, ...