Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

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

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

Astronomers confirm TOI-5573 b, a rare, miniature Saturn-like planet orbiting a small star, challenging theories of planetary ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

What can Earth-sized exoplanets teach scientists about the formation and evolution of exoplanets throughout the cosmos? This is what a study recently posted to the arXiv preprint server hopes to ...

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

Studies of 15 M-type stars have revealed new insights into the potential presence of exoplanets. A new study led by ...

Even if Earth does survive, it won’t be pretty. The temperature of our planet will be about 1,300 degrees C, hot enough to ...

Learn how a new discovery of a giant planet can help scientists refine their theories of how planets form.