An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

U.S. scientists with knowledge of America’s most sensitive aerospace and nuclear secrets are reportedly turning up missing, ...

Aristotle believed the planets revolved around Earth and God could not have created other worlds. Today, scientists scour the ...

Director Steven Spielberg confirmed that aliens are the subject of his upcoming film "Disclosure Day" and debuted new footage ...

If you loved the acclaimed adaptation of Andy Weir's Project Hail Mary, reading these hard science fiction books will fill ...

Abstract: Free-space optical (FSO) communication systems employing coherent modulation offer high spectral efficiency and improved receiver sensitivity compared to intensity-modulation systems.

"The appetite for disclosure is likely to never be satisfied." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the latest ...

We don’t have to travel to the moon to gain some of the insight that astronauts do. By Melissa Kirsch Vacation photos: Instant postcards of you, your family, on the beach, or on skis, somewhere ...

President Trump's dreams of a White House ballroom have highlighted what was once a relative secret: the construction of a military bunker beneath the now-demolished East Wing. U.S. District Court ...

The first Ariane 64 lifts off Feb. 12 carrying 32 Amazon Leo satellites. Credit: ESA/CNES/Arianespace/ArianeGroup/Optique video du CSG–P. Piron Europe’s future in ...

Bloomberg reports that the Elon Musk conglomerate has filed confidentially with the SEC, so we’ll have to wait on the details. Bloomberg reports that the Elon Musk conglomerate has filed ...