Smaller planets like Mercury have a tiny Hill sphere radius, since they can't exert a large gravitational pull. Any potential ...

Astronomers have upped the odds that the cosmic boulder will crash into the moon, which could potentially cause a cloud of ...

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

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The International Astronomical Union officially recognized 128 new moons orbiting ...

If you looked at the churning clouds near Jupiter’s pole, they appear like ocean currents on Earth — as if you’re looking at ...

YR4 made headlines earlier this year when its probability of impacting Earth in 2032 rose as high as 3%. While an Earth ...

Over the last few years, the term "Goldilocks zone" has come to be widely used to describe the range of distances from a star ...

THE James Webb Space Telescope has discovered its first-ever exoplanet – a distant world hidden by the glare of its nearest ...

And unlike many other quality news outlets ... Of these factors, the study notes, location of the impact was the most critical. “Because the moon is orbiting the Earth at approximately 1km per second, ...

Hycean worlds are also called ocean worlds. They're planets covered in oceans that also have thick hydrogen atmospheres.

Learn about the unexpected discovery that has shaped new perspectives on Uranus' moons and their brightness.