General relativity is an astonishingly beautiful theory, and grappling with why it disagrees with quantum mechanics is a joy, ...

The European Space Agency has launched two atomic clocks on a SpaceX rocket to the ISS to test Einstein's theory of ...

ACES will gather ultra-precise data across at least ten observation windows, each lasting about 25 days during the ...

Let's turn the sun into a telescope. In fact, we don't have to do any work—we just have to be in the right spot.

The last decade has brought a new way to explore the universe. Gravitational wave astronomy, made possible by observatories ...

The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...

F or the first time, physicists have created a "black hole bomb" in the lab, providing evidence for the "Zel’dovich effect" ...

Testing Einstein’s relativity, measuring fundamental constants, and even searching for dark matter are all on the cards ...

Isabel Rabey reviews Einstein’s Tutor: the Story of Emmy Noether and the Invention of Modern Physics by Lee Philips ...

A study published in Physical Review Letters outlines a new approach for extracting information from binary systems by ...

"All the odd shapes and swirling gas observed in the Perseus cluster now make sense within the context of a major merger." ...

“The bottom line is there’s been no big movement,” Blair Brandt, GOP fundraiser and husband to Margit; he’s also her chief ...