What is Spacetime? In 1908, Hermann Minkowski proposed that time could be viewed as a 4th dimension alongside the three ...

One of the best-performing models in cosmology is also one with the least physical rationale behind it. Columnist Leah Crane ...

Physicists are rethinking one of quantum mechanics’ biggest puzzles: how fuzzy possibilities become definite reality. New ...

Prof Stephen Hawking’s closest collaborator explains emerging evidence supporting the cosmologist’s final thoughts on time ...

Merging black holes and neutron stars have unusual oval orbits prior to colliding and merging, which challenge the laws of ...

It is far too soon to mention retirement, but astute observers of the space industry have noticed SpaceX’s workhorse Falcon 9 ...

If Einstein hadn't tried to solve the mysteries of the universe, we'd still be using paper road maps to find our way home.

The only difference with black holes is that they are incredibly dense, so that if another object gets closer than the event ...

An earlier version of this report misidentified the titles of Vital Lyfe's founders. Jonathan Criss is the company's CEO, and Andrew Harner is its COO. By William Gavin SpaceX employees and alumni ...

Massive investments in AI may bring synergy and revenue to SpaceX, or could create problems for it and NASA, especially if ...

Spacetime isn’t supposed to be predictable, but scientists may have just found the rules ...

A new study links the universe’s expansion to quantum topology, suggesting that hidden mathematical structures may stabilize ...