Using two infrared space telescopes and a 23-year gap, scientists may have spotted a mysterious, slow-moving object beyond ...

The solar system consists of our star, the sun, and everything bound to it by gravity: the planets Mercury, Venus, Earth, ...

Earth" planet was discovered by researchers. It is not believed these planets are more common than previously thought.

A rare and dramatic scene unfolds 140 light-years from Earth. A rocky planet, once whole, is now crumbling to dust under the ...

The Solar System is very tidy. You have four rocky planets near the Sun, and four gas giant planets further away. An asteroid ...

Discover interesting facts about Saturn, its rings and whether it could contain extraterrestrial life.

An international team including astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has announced the ...

"The extent of the tail is gargantuan, stretching up to 9 million kilometers [5.6 million miles] long," said MIT astronomer ...

Apr. 15, 2025 — A new study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, finding evidence that it could be a giant rocky ... planets outside of our solar ...

Astronomers have spotted a small rocky planet that orbits perilously ... long. About 5,800 planets beyond our solar system, called exoplanets, have been discovered since the 1990s.

The planet is "crumbling to pieces," shedding the equivalent of Mount Everest’s mass every 30.5-hour orbit and will be ...

About 5,800 planets beyond our solar system ... understand the diversity and potential habitability of rocky worlds beyond our solar system," Hon said.