HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

SpaceX is scheduled to bring home two astronauts who have been on the International Space Station since June. Mr. Musk said President Trump had asked for that to occur “as soon as possible.” ...

Scientists studying samples that NASA collected from the asteroid Bennu found a wide assortment of organic molecules that ...

An exoplanet is a planet outside our solar system that usually orbits a star in our galaxy. More than 7,000 have been found ...

Scientists found an intriguing world in our galaxy.

Astronomers studying data from the Juno spacecraft discovered a volcanic hot spot in the Southern Hemisphere of Jupiter’s moon Io. The volcanic region belches out eruptions six times the total energy ...

The discovery of a planet that is just 20 light-years away has been said to be the closest Earth analogue that scientists ...

YR4 has a 1-in-83 chance of striking Earth in December of 2032 as it continues to move in its orbit around 27 million miles away from Earth.

On Monday (Jan. 27), Texas-based Firefly released two photos of the moon that Blue Ghost captured from Earth orbit. One shows ...