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

Exoplanet HIP 67522 b, fluffed up to the size of Jupiter, circles so close to its star that it’s triggering violent flares — ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...

The Solar System may appear calm and well organized, but it is actually the result of billions of years of delicate cosmic ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

Astronomers using the European Space Agency's Cheops mission have caught an exoplanet that seems to be triggering flares of ...

TOI-6894 b, the largest exoplanet relative to its host star yet seen, doesn’t fit the most widely accepted formation model ...

University of Arizona astrophysicist Erika Hamden takes readers on a romp through a "Weird Universe" in her debut popular ...

When we gaze into the night sky, we see a tiny fraction of what lies beyond our Solar System. In the vastness of space, our Sun and its planets are but a speck of dust. There are thousands of stars ...

Microbes have been discovered alive inside 2-billion-year-old rock, offering a rare window into Earth’s deep past. Found in ...

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...