Harvard astronomer Avi Loeb discusses the hypothetical use of highly energetic events as a way to produce "gravitational-wave ...

Described by Capture the Atlas as an "extraordinary milestone," the image One in a Billion, was captured by NASA astronaut ...

In 1987, an enormous blue arc, thought to be hundreds of trillions of miles long, was first considered one of the largest ...

The new image shows one galaxy piercing another with intense quasar radiation. Astronomers likened the violent galaxy ...

Deciphering the universe’s secrets is partly done through observation, but just as important are solid models of the forces ...

For 75 years, scientists have consistently pondered the Fermi Paradox, which asks why we don’t hear from other civilizations ...

Mind-boggling beauty abounds in photographs from around the globe submitted to this year's Milky Way Photographer of the Year ...

This Hubble Space Telescope image features a remote galaxy, which appears as a red arc that partially encircles a foreground ...

But when scientists peer very far back, they find conundrums. JWST observations of the distant past are at odds with ...

it creates a “light curve,” making the background object appear brighter. Astronomers can analyze these variations in brightness to detect exoplanets. Using microlensing signals, Gould’s team ...

Most stellar-mass black holes known in our galaxy have a companion star that betrays ... They also tapped large telescopes on Earth for spectroscopic insights into the background stars. Teams compare ...

This time around, using new processing techniques, the galaxy is revealed in greater detail with more background stars and galaxies. The Sombrero Galaxy is about 30 million light-years away within the ...