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

NASA's NIAC program is investing in visionary ideas that could revolutionize space exploration. From fusion-powered ...

Astronomers using the Chandra X-ray Observatory and other telescopes "have determined that a giant black hole has destroyed a ...

President Donald Trump says we’re going to Mars, but Elon Musk shouldn't start packing bags. It's more popular than Jan. 6 ...