Understanding exoplanet evolution could help solve the mystery of the 'hot Neptune desert.' As astronomers delve deeper into ...

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

Barnard’s Star is notorious among astronomers for a history of false planet detections but it appears the latest discovery – ...

Yet despite the drumbeat of evidence, we still know of just one planet in the cosmos with life — the one you’re standing on.

Each of the planets, labeled b, c, d, and e, has a mass between 20% and 30% of Earth's, making them among the smallest yet ...

Whether a galactic environment has the right conditions for habitable planets to form could depend on how the black hole in ...

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 ...

Venus becomes the brilliant “Morning Star” in the east before dawn, the Lyrids Meteor Shower takes place and the Moon has ...

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 ...

Ganymede, Jupiter's largest moon and the solar system's largest, is bigger than Mercury and the dwarf planet Pluto, with a diameter of 5,268 kilometers.