Euclid scans the cosmos in visible and near-infrared light, including an infrared spectrometer, which allows it to measure ...

A pair of quasars that existed when the universe was only 3 billion years old has been spotted by the Hubble Space Telescope.

In 1995, the Hubble Space Telescope embarked on a remarkable experiment by focusing on a dark, seemingly empty area of the sky, roughly the size of a pinhead held at arm's length, ...

The study of X-ray emission from astronomical objects reveals secrets about the Universe at the largest and smallest spatial ...

Coverage of the launch is expected to begin at 11 a.m. ET and will be added to this story in the video player above. The ...

Estimates of how fast the universe is expanding disagree. Could a new form of dark energy resolve the problem?

Vaccines delivered through a puff up the nose or into the mouth could be even more effective than shots at protecting people ...

NASA' Hubble Space Telescope captured this image that shows the Trifid Nebula, a star-forming region located about 5,400 light-years away from Earth. This image of Pillars of creation captrured by ...

Nasa's spacecraft is designed to study the Jupiter's Europa moon's icy surface and the subsurface ocean believed to exist ...

It will take Europa Clipper 5½ years to reach Jupiter, where it will slip into orbit around the giant gas planet and sneak close to Europa during dozens of radiation-drenched flybys.

A massive black hole has ripped apart a star, and now it’s using the remnants of that star to impact another nearby star or ...

NASA has successfully launched the Europa Clipper spacecraft from Florida’s Kennedy Space Center to explore Jupiter’s moon ...