A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three dimensions.

The Habitable Worlds Observatory (HWO) is slated to be the next Great Observatory for the world. Its main focus has been ...

TOI-2267 is made up of two small and cool stars. The team confirmed the presence of two exoplanets, and there is strong ...

Planet’s Owl satellites will be larger and more capable than the SuperDove satellites that currently handle daily imaging of Earth. Credit: Planet AUCKLAND, New Zealand — Planet has announced a new ...

Thirty years ago this week, two Swiss astronomers announced that they had spotted the first known planet orbiting a Sun-like star. The Nobel-winning discovery, later published in the pages of Nature, ...

Astronomers believe they have uncovered evidence of a previously unknown ninth planet lurking in the not-too-distant reaches of the solar system. This hypothetical world, dubbed "Planet Y," could be ...

Astronomers have discovered three Earth-sized planets orbiting two stars in the TOI-2267 system located 190 light-years away.

"It was just a matter of time before we found them." Thirty years ago, on Oct. 6, 1995, the very first exoplanet to be discovered around a sun-like star was revealed. Called 51 Pegasi b, it was a ...

A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on? If you think you've met the wildest exoplanet yet, you haven't learned about TOI ...

Earth' orbiting within its star's habitable zone, just 20 light-years from Earth, could host extraterrestrial life.

The race is on to harness the near-infinite power of nuclear fusion—by building a star on Earth. And scientists are closer than you might think. Nuclear fusion in the sun occurs when hydrogen is ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth than the hypothetical Planet X, which astronomers have been hunting for ...