How long does it take Pluto to orbit the sun? Learn more about how this planet makes one lap around our Solar System.

JWST has confirmed Pluto’s bizarre atmospheric behavior and its ghostly interaction with Charon. These findings could reshape ...

When the Sun expands into a red giant, it will swallow the inner solar system and raise the temperature in the outer regions.

Gaia-4b is the most massive planet known to orbit a low-mass star. Also, see an animation for Gaia-5b, a brown dwarf orbiting ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

The latest cosmic puzzle for scientists comes from the constellation Leo, roughly 240 lightyears from Earth. Astronomers, ...

A beloved space base builder in the vein of Rimworld, Oxygen Not Included DLC The Prehistoric Planet Pack adds dinosaurs and ...

Leo sees action as both Mars and Comet Schwassmann-Wachmann 1 move through; plus, spot galaxies and noctilucent clouds in the sky this week.

The James Webb Space Telescope (JWST) has discovered that a hazy sky over frozen Pluto is helping to cool the dwarf planet's ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has detected three new hot ...

Whatever the origin story, TOI-6894b is leading the ranks of other known gas giants orbiting small and faint stars that ...

is a red dwarf with only about 21% the mass of the Sun and roughly 250 times dimmer. In terms of physical size, the star is just 2.5 times wider than the planet itself, a remarkable size ratio rarely ...