Nasa’s Europa Clipper spacecraft will loop around Jupiter on a course that will carry it by Europa 49 times over four years ...

Astronomers have been left puzzled by the discovery of an unusually large planet orbiting a remarkably small star, a cosmic ...

The discovery defies current understanding of how planets form. The star is only about a fifth the mass of the sun. Stars this size should host small planets akin to Earth and Mars under the leading ...

Ancient Greek astronomers likely observed Uranus as a star, but limited tools and geocentric views kept them from recognizing ...

A group of astronomers from across the globe, including a team from the University of Washington and led by Queen's ...

A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 ...

New observations from the James Webb Space Telescope reveal the surprising origin of the ultra-hot exoplanet WASP-121b ...

New research suggests there may be a narrow window of possibility for life to persist on the icy moons of the outer solar ...

Scientists have uncovered surprising new behavior of Jupiter that directly affects Earth in ways we are only beginning to ...

As June begins, bright Jupiter is very low in the west-northwest twilight, and Mars is far to its upper left; they’re the only evening planets. Begin following Jupiter while it’s easy to see at ...