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

For decades, Uranus has held the title of the coldest planet in the solar system, with atmospheric temperatures plunging to ...

According to the paper laying out the research behind the discovery, "TOI-1846b is a super-Earth-sized planet, with a radius ...

NASA has found a new “Super Earth” planet just 154 light-years away that’s sending out a strange, repeating signal. The ...

NASA currently leads the nation's planetary defense efforts, but some are calling for the Space Force to take control.

According to NASA, The researchers set out to determine Uranus’ full energy budget. This includes how much energy it receives ...

Astronomers have, for the first time, captured what they believe are the very first moments of rocky planet formation around ...

The newfound exoplanet, called Kepler-139f, is a gigantic world roughly twice the mass of Neptune and 35 times the mass of ...

A new gas giant world discovered by citizen scientists using data from NASA's exoplanet-hunting spacecraft TESS is cool, literally and figuratively.

Scientists have found that Uranus is emitting its own internal heat — even more than it receives from sunlight — and this ...

A team led by UdeM researchers confirms a fifth potentially habitable planet around L 98-59, a red dwarf 35 light-years away.

Scientists at the Institute for Advanced Study in Princeton, New Jersey, discover a new trans-Neptune Object, 2017OF201, potentially discrediting 2016 theory of Planet Nine.