A Canadian startup called Xanadu has built a photon-based quantum computer it says should easily scale up. What will really matter in the long run? That’s the question we tackle each year as we ...

The Horsehead Nebula is a small dark nebula in the constellation Orion. The stunning image is captured by James Webb Space Telescope. The stunning image of NGC 9524 is captured by Hubble Space ...

The James Webb Space Telescope has captured imagery of interacting elliptical and spiral galaxies known as Arp 107. Credit: ...

NASA astronauts Suni Williams and Butch Wilmore are scheduled to begin U.S. Spacewalk 92 early Jan. 30. Suni Williams and ...

YR4 might force NASA to plan the first-ever space mission to push an asteroid away from Earth. Most likely, though, it's a ...

YR4, the asteroid is estimated to be between 40 m and 100 m wide and is projected to come close to Earth in December 2032.

A newly discovered asteroid, 2024 YR4, may strike Earth in December 22, 2032, according to Nasa. Just in time for Christmas. The space rock is between 130 feet and 330 feet long, so about the size of ...

Observatories in Chile’s Atacama Desert, including the world’s largest optical telescope, could be blinded by light pollution ...

NASA's two stuck astronauts take their first spacewalk together since arriving at the space station last year.

NASA’s Parker Solar Probe flew closer to the sun than any spacecraft ever has, surviving expected temperatures of 1,800 ...

Hidden in Chile’s Atacama Desert, the $1.5B Extremely Large Telescope (ELT) nears completion. With a massive 130-ft mirror, ...