How does a compass work in space? From the moon to Venus, here’s how a compass would work beyond Earth’s magnetic field.

The gas giant WASP-121b, also known as Tylos, has an atmospheric structure unlike any we have ever seen, and the fastest ...

Astronomers for the first time have deciphered the three-dimensional structure of the atmosphere of a planet beyond our solar ...

Mercury has had enough of the sun's solar flares, so he goes to Venus to share his orbit. But is this such a good idea?

According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to ...

A rare full seven-planet alignment will be visible in the early night sky between Feb. 22 and 28. We have the tips you need to best see all the planets.

There are eight planets in the solar system, and each travels on its own path around the sun. But of these planets, which is nearest to the sun? Mercury is a strange little world. There are some ...

In February 2025, all seven of our planetary neighbors will be visible from Earth. So what does such a planetary alignment ...

Astronomers for the first time have deciphered the three-dimensional structure of the atmosphere of a planet beyond our solar ...

It is so ferociously hot that the “exoplanet” features iron in the form of a gas in one layer of its atmosphere, while a jet ...

Unlike the orbits of planets, the orbits of asteroids ... ones such as Chelyabinsk which came from the direction of the sun ...

Coincidentally, also visible in the new images is the planet Mercury, appearing as a tiny speck of light gliding closer to the sun. Launched into Earth's orbit last June, GOES-19 is the newest ...