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, ...

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 ...

Scientists have discovered a giant planet orbiting a tiny red dwarf star, something they believed wasn t even possible. The planet, TOI-6894b, is about the size of Saturn but orbits a star just a ...

Astronomers found a giant planet orbiting one of the smallest stars ever known to host one, challenging everything we thought ...

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

Discover interesting facts about the sun, the solar system's central star that supports all life on Earth.

This rare find challenges what we thought we knew about planets and stars — and could mean there are more hidden giants out there. The star, named TOI-6894, is a red dwarf. It has only 20% the ...

Some scientists think they discovered a new dwarf planet at the edge of the solar system, so far away that it takes around 25 ...