The question of whether the cosmos goes on forever is no longer just a late night thought experiment, it is a live research problem that cuts to the heart of modern physics. Astrophysicists are using ...

Is the universe infinite? It's one of the most profound questions we can ask, and here's the short answer: We don't know. While we have learned a great deal about the universe, a portion of the cosmos ...

A new study warns that crowded internet satellite constellations like Starlink may push low Earth orbit toward a collision ...

A blue Earth ascends over the barren surface of the moon, against the black void of space. This famous photograph, Earthrise, was taken on Christmas Eve of 1968, by Apollo 8 astronaut Bill Anders.

In 1919, physicist Theodor Kaluza hypothesized that extra dimensions might solve some outstanding problems in physics. And while we haven't found any evidence yet for anything outside our normal ...

"Do we react for everything which has a chance to reach the ground? Or do we react only for the very large objects, as we did for the Long March?" When you purchase through links on our site, we may ...

In 2026, there will be journeys to the moon and Mars, new visions of the cosmos and a solar eclipse that might be worth traveling for. In 2026, there will be journeys to the moon and Mars, new visions ...