In a preprint titled “Can LIGO Detect Daylight Savings Time?,” Reed Essick, former LIGO member and now a physicist at the ...

Today, we stand on sacred ground, not only for its pristine, radio-quiet skies, but for its role in uniting nations to ...

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...

Astronomy has a way of surprising you. When you believe the universe has yielded its biggest secrets, distant giants and ...

A vast river of neutral hydrogen bridges two galaxies that are beginning to enter the monstrous Virgo Cluster, and this ...

Ripples in spacetime now give astronomy a second sense. The network listens to collisions, maps a low-frequency background ...

A new class of supermassive black holes embedded in a thick gas shell could explain small red dots in images from the James ...

Astronomers studying a rare Einstein Cross stumbled upon an impossible “fifth image” that shouldn’t exist — and it revealed ...

For 24 hours a day, seven days a week since November 2000, NASA and its international partners have sustained a continuous ...

The GW190412 merger revealed a black-hole recoil moving faster than 50 km/s. Gravitational waves allowed its 3D motion to be ...

Black holes are among the most intriguing cosmic bodies in space. The Pop III.1 model uses primordial stars to explain how ...

Astronomers have witnessed a rare “extremely stripped supernova” that exposed the inner silicon layers of a dying star, confirming theories of stellar fusion and offering new insight into how ...