The nights surrounding June 7 will see Jupiter and Mercury crowd together close to the horizon in the northwestern ...

A swarm of large asteroids likely lurking around Venus could one day pose an "invisible threat" to Earth if left unchecked, ...

The newly discovered planet orbits a Sun-like star and might support liquid water, but don’t pack your bags just yet.

TOI-6894 is roughly 240 light-years from Earth in the constellation Leo and is the smallest-known star to host a large planet ...

Enjoy a close conjunction of the solar system’s smallest and largest planet just days before the Full Strawberry Moon this ...

Wausau Pilot & Review Skywatchers across central Wisconsin can look forward to a spectacular week of celestial activity, ...

Simulations show that the stars’ tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.

New research on the orbits of these mysterious asteroids near Venus stress the need for better space rock surveillance.

Jupiter, roughly 562 million miles from Earth today, has nearly 100 moons. But Batygin and his collaborator Fred Adams' ...

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

The Webb telescope detects a clear, hydrogen-rich atmosphere, as well as water vapor, on the hot sub-Neptune planet TOI-421 B ...

In the hunt for exoplanets, many seek out habitable worlds. There's comfort in discovering planets that remind us of ...