For the better part of a century, we believed there were nine planets in our solar system, with Pluto being the farthest from ...

The findings provide strong evidence that four giant exoplanets 130 light-years from Earth formed much like Jupiter and ...

A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.

Astronomers have captured direct images of exoplanets in a star system 130 light years away, providing clues on gas giant ...

More than 60 years after the first debunked discovery of a planet orbiting Barnard’s Star, the closest single-star system to ...

Astronomers discover a super-Earth and a sub-Neptune 250 light years away from our solar system. These planets offer a ...

Astronomers have discovered two exoplanets around TOI-1453, a star about 250 light years away. These two exoplanets, a super-Earth and a sub-Neptune, are common in the galaxy, yet are absent from our ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...

Our solar system has always seemed a vast place ... formation after the birth of the solar system. The Hypothetical Planet Nine orbiting the sun about 20 times more distant than the orbit of ...

As the agency's SPHEREx space telescope and PUNCH solar mission rode toward their orbital stations tonight (March 11) at ...

Weather has delayed NASA’s launch of the SPHEREx telescope to uncover the ingredients for life in our galaxy, as well as the ...