Planets' temperatures are largely influenced by their structural characteristics and proximity to the Sun, however, Venus ...

Scientists have just discovered four small, rocky exoplanets orbiting Barnard’s Star, the nearest single star to our solar system after the Alpha Centauri system, NASA announced. Located only six ...

Two planets outside the solar system have been identified orbiting a star located nearly 250 light-years away from Earth in ...

April skies feature close planet pairings, a bright meteor shower, and stunning views of the ancient star cluster M3.

Take a tour of the space volcanoes on other planets and moons across the Solar System, and find out how they differ from ...

We often focus on space observatories that peer beyond Earth. But the vast majority of satellites stare right back at us.

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

Astronomers used ALMA to observe Proxima Centauri and found frequent, intense flares that could destroy atmospheres of nearby ...

Earlier this week, Saturn gained a whopping 128 new official moons, as the International Astronomical Union recognised ...

We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there ...

Astronomers finally spotted evidence of auroras on Neptune after years of searching, raising new questions about the planet.

So in some sense, alien worlds were not first discovered in the 1990s or even the 1980s. It took nearly a century to fully ...