The Great Red Spot is a gigantic storm, twice the size of Earth, that has swirled for centuries. It’s just one of many on the ...

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

Since the Kepler Space Telescope began its prowl for exoplanets in 2009, it has uncovered a strange pattern among these alien ...

Discovered by volunteer scientists, this alien planet is out of synch with its siblings ...

Far out in the Saturn system, a small world refuses to behave. Iapetus spins in a way that should not be so stable, wears a ...

Hubble reveals a mysterious 'controlled' jet system on 3I/ATLAS. Is this 130,000mph interstellar visitor a natural comet or advanced alien technology?

Astronomers at Princeton University have uncovered evidence that the outer solar system is more structured than long believed ...

Astronomers have found a compact new cluster of objects inside the Kuiper belt, which is a distant band of icy bodies at the edge of our solar system beyond Neptune. The cluster sits 4.0 billion miles ...

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. When you purchase through links on our site, we may earn an affiliate ...

About 4.5 billion years ago, a world the size of Mars crashed into Earth and scattered debris that became the Moon. New measurements of subtle chemical fingerprints in ancient rocks now tie that lost ...

Saturn's moon Mimas, just 250 miles wide, could have a liquid water ocean under its outer icy shell, according to new research led by Max Rudolph at UC Davis. If such moons are the right size, water ...