A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?

Astronomers have yet to find irrefutable proof for any natural satellites of exoplanets—so-called exomoons—but as ...

Data from the James Webb Space Telescope and other observatories suggests a supervolcanic exomoon may lurk around the giant ...

After nearly 10 years, NASA’s Jupiter explorer Juno is likely no longer operating with its latest mission extension ending during the ongoing U.S. government shutdown.

The beginning of two meteor showers associated with the constellation Taurus, the Southern Taurids and Northern Taurids is ...

Jupiter-like planet 8 UMi b, named Halla, orbits its host red giant star Baekdu closely. The red giant's merger with a white dwarf star questions how Halla could exist. Credit: Space.com | animation ...

The James Webb Space Telescope has detected clouds made of silicates, similar to sand here on Earth, as well as water, methane and carbon monoxide on exoplanet VHS 1256 b. The exoplanet is more ...

WISPIT 2b was first detected using the European Southern Observatory's Very Large Telescope Spectro-Polarimetric ...

High above the Sun’s blazing equator lie its mysterious poles, the birthplace of fast solar winds and the heart of its ...

On some, whipping winds send a rain of glass flying sideways; others have a core of carbon compressed into diamond. Take a ...

The interstellar comet 3I/ATLAS may be out of view of Earth, but orbiters on Mars were able to recently get a look at it.

It was put on Webb to diagnose and measure any blur in its images. Even nanometres of distortion in Webb’s 18 hexagonal ...