This claim was, in fact, true. McCandless was, indeed, the first astronaut to perform an untethered spacewalk on Feb. 7, 1984 ...

Easter Island is home to more than 900 giant Moai, with more still being discovered. The statues average about twice the ...

The Hubble Space Telescope has captured a spiral galaxy under the "ram pressure" inside a massive cluster of galaxies.

The image shows the supermassive black hole that lies at the heart of our galaxy about 26,000 light-years away.

The ghosts of stars are up to their usual mischief. By Dennis Overbye The Pentagon needs what the company offers to compete with China even as it frets over its potential for dominance and the ...

Nov. 7, 2024 — Researchers have developed an innovative technique to search for black hole light echoes. Their novel method, which will make it easier for the mass and the spin of black holes to ...

[Photo provided to chinadaily.com.cn] A Chinese ... was published Wednesday in the Science China Physics, Mechanics & Astronomy journal. "The characteristics of this object don't fit any known ...

China's recorded interest in transient phenomena dates back to the Han Dynasty (202 BC-220 AD). In 1054, astronomers from the ...

The world’s richest man gave his money and time in campaigning for the president-elect and now is putting in his requests for a friendlier regulatory environment. By Eric LiptonKirsten ...

Investigations into the unknowns of space and time -- and abstract questions around early universe cosmology relating to the ...

Astronomers are investigating the possibility of a hidden ninth planet beyond Neptune, which could explain unusual orbital patterns in the Kuiper Belt.