In 1867, Lord Kelvin imagined atoms as knots in the aether. The idea was soon disproven. Atoms turned out to be something ...

Real particles are lumps of energy that can be "seen" or detected by appropriate instruments; this feature is what makes them ...

Google says its quantum computer achieved a verifiable calculation that classic computers cannot. The work could point to future applications.

Scientists have been using complicated, hypothetical particles to explain the Big Bang, but this theory posits that a simpler ...

In April 2029, Apophis is predicted by NASA to come within 32,000 kilometers (20,000 miles) of the Earth's surface. Closer ...

Time, not space plus time, might be the single fundamental property in which all physical phenomena occur, according to a new theory by a University of Alaska Fairbanks scientist. The theory also ...

Einstein’s theories contain calculations that lead to mind-bending predictions about the nature of space, time, and reality itself. These mathematical outcomes have redefined physics and challenged ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Why didn’t the universe annihilate itself moments ...

Yes, when Newton wasn't revolutionizing our notions of motion and gravity, he was, by today's standards, a bit of a weird ...

Purdue University’s online Master of Science in Space Systems Engineering is designed to produce students with firm grounding in space systems engineering and well prepared to lead and execute ...