The earliest galaxies may have scrambled our reading of the Universe. A new study challenges the traditional interpretation ...

"This shocking result means that we now need to revisit the very foundations of everything we know about cosmology," said the ...

The iconic "Cosmic Cliffs" image captured by the Webb Telescope was turned into a 3D fly-through, revealing a stunning stellar nursery.

NASA has shared the first closeup images of the Donaldjohanson asteroid, captured by its Lucy spacecraft on a recent flyby ...

It's now or never, dear readers—the final so-called "micro" full Moon this year will be culminating tonight. The Moon will technically be furthest away from Earth today at 251,939 miles ...

Detectives have released new images showing two potential key witnesses ... "We are working to establish the full circumstances of the incident, and what led to it taking place.

But without it, galaxies would fly apart. Here's what scientists know — or think they know — about this cosmic puzzle. Related: If dark matter is 'invisible,' how do we know it exists?

New satellite images show a surge in Russian military activity near the border with Finland, analysts say. A significant increase in barracks, aircraft and other infrastructure were identified at ...

This glow, known as the cosmic microwave background radiation, is a key piece of evidence for the Big Bang—the massive explosion that is believed to have created the universe. But new research ...

A combination of X-ray from NASA's Chandra observatory and radio data indicates that a galactic "fracture" was likely caused ...

It is 97% illuminated. Moon phase Date First Quarter May 4 Full Moon May 12 Third/Last Quarter May 20 New Moon ...