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

A new study challenges traditional models of how planets form. A new analysis of existing data suggests that exoplanets with masses comparable to Jupiter may have formed significantly earlier than ...

What can a sample return mission from Jupiter's volcanic moon, Io, teach scientists about planetary and satellite (moon) ...

Jupiter’s striking size, swirling gases, and dramatic bands in its atmosphere set it apart from every other planet. One of ...

The space rock is expected to zoom past our planet at a zippy 28,655 miles per hour, according to the space agency.

Astronomers are interested in how this tilt affects the atmosphere of Uranus, as well as how the atmosphere works there in ...

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 ...

The eerie glow of Neptune's aurora has been revealed for the first time in new images collected by NASA’s James Webb Space ...

Decades of constant X-ray emission from the Helix Nebula’s white dwarf suggest debris from a Jupiter-sized planet steadily rains upon the star.

Long-Sought Auroral Glow Finally Emerges Under Webb’s Powerful Gaze Neptune lies in the cold, dark reaches of the outer edges ...

Saturn is below Venus and very low in the predawn sky. In late April it is five degrees above the horizon. You may need ...