The U.S. Postal Service has issued a new set of stamps celebrating the James Webb Space Telescope, the most powerful space ...

An ultra-deep image from the National Science Foundation's Dark Energy Camera reveals a wide variety of galaxies in the ...

These mysterious objects can have masses several million or billion times that of the Sun and are so dense that they warp ...

Mysterious fast radio bursts, or millisecond-long bright flashes of radio waves from space, have intrigued astronomers since ...