A Harvard astronomer explained why an unidentified object detected this summer could potentially be an alien spacecraft. Avi ...

It would orbit within Alpha Centauri A’s habitable zone, the starlight-bathed region where liquid water can persist on a ...

Astronomers found a possible planet around Alpha Centauri A. The James Webb Space Telescope spotted the gas giant. It is ...

The James Webb Space Telescope has captured imagery of spiral galaxy NGC 2283, which is located about 45 million light-years away in the constellation Canis Major. Credit: ESA/Webb, NASA & CSA, A.

Brookhaven National Laboratory has completed the "major item of equipment" phase for the Lunar Surface Electromagnetics Experiment-Night (LuSEE-Night), a moon-based radio telescope set to make history ...

NASA's Hubble captured the clearest image of interstellar comet 3I/ATLAS, the third such object observed. This comet, traveling at 130,000 mph, offers ...

Thirty years ago, an 11-day space shuttle mission involving seven veteran astronauts performed the first servicing mission to correct the Hubble Space Telescope's blurred vision. The unprecedented ...

The size advantage gives Webb 6.25 times more surface area to capture light. It is the largest space telescope ever built, and in astronomy, size does matter.

Japan launches ‘moon sniper’ landing craft, X-ray telescope into space By Yuri Kageyama The Associated Press Posted September 6, 2023 9:03 pm 3 min read ...