The universe is ballooning outward at an ever-faster clip under the power of an unknown force dubbed dark energy. One of the ...

This evening, the 'stuck' Starliner astronauts are returning on SpaceX Dragon which launched Crew-9. Here's what to know.

NASA's James Webb Space Telescope was recently used to capture direct images of four Saturn-like exoplanets in a solar system 130 light-years away.

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

New images of the infant universe captured by the Atacama Cosmology Telescope (ACT) are the most precise "baby pictures" to ...

NASA astronauts Butch Wilmore and Suni Williams, who were stuck in space for more than nine months, are finally on their way ...

NASA’s SPHEREx mission has successfully communicated with Earth, marking the start of an ambitious journey to map the cosmos.

SPHEREx hopes to solve some of the universe's biggest mysteries, while PUNCH will study the sun’s outer atmosphere, the corona. Here's what to know.

The postponement, driven primarily by thick clouds, was the second scrub of the flight since an issue with the rocket on ...

NASA's newest space telescope rocketed into orbit Tuesday to map the entire sky like never before—a sweeping look at hundreds ...

A NASA telescope was launched into space from California on Tuesday for a mission to explore the origins of the universe and ...