We've seen it happen in science fiction, but could artificial gravity actually be generated for future space travellers?

The Earth orbits the Sun. Then why doesn't the Earth fly away from the Sun into the depths of space? The one who provided the ...

A speculative mission concept proposes sending laser-powered, gram-scale spacecraft to a black hole that could potentially ...

A decade-long NIST experiment has produced a new measurement of the universal gravitational constant that differs ...

Near the center of the Milky Way, a star is racing around Sagittarius A* at speeds reaching 25 000 km/s. Named S301, it is ...

According to Einstein's theory of general relativity, gravity does not discriminate. Matter, antimatter – it's all the same ...

In the end, the measured phase of the quantum wave sits 2.5 percent from the theoretical prediction. The result, the team ...

An international team built a quantum interferometer, split a single rubidium atom into two simultaneous paths — one falling ...

Philip Ball is a science writer based in London. It has also become a yardstick for leaders in the field of ...

For the quickest way to join, enter your email below. We’ll send a confirmation email and sign you up to Space.com newsletters with the latest inspiration, expert advice and exclusive offers.

Physicists have directly observed a long-predicted quantum effect of gravity, putting one of Einstein’s foundational ideas to ...

Gen. Christopher T. Donahue’s vision for fighting future wars won him powerful supporters around the world. Could they save his career? By Adam Entous and Greg Jaffe Reporting from Washington Defense ...