Everything you could want to know about Mercury in our solar system. Trump buys red Tesla Model S at White House alongside Elon Musk: 'I like signing a check!' How Honda is trying to become cool ...

Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

The asteroid space scientists feared would hit Earth may now smash into the Moon instead. Space rock 2024 YR4 was originally ...

In short, yes. As the fastest-moving planet in our solar system, Mercury goes retrograde three to four times a year. When you factor in the shadow period of the retrograde—and as a recovering ...

Young, close-orbiting exoplanets known as sub-Neptunes may form farther from their stars and migrate inward or lose their ...

A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.

Astronomers have captured direct images of exoplanets in a star system 130 light years away, providing clues on gas giant ...

A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new study.

Carbon dioxide has been detected on a planet outside our solar system for the first time ... said in a statement to NASA. “Given what we know about the star they orbit, this probably indicates ...