Astronomers have discovered an extraordinary new giant radio galaxy with plasma jets 32 times the size of our Milky Way.

A radio telescope in South Africa has unearthed a giant galaxy—dubbed a "cosmic megastructure"—with plasma jets that measure ...

Astronomers have unveiled surprising new details about a small galaxy, NGC 300, challenging existing theories on galaxy ...

The Gaia mission of the European Space Agency (ESA) has officially ceased its scientific operations after 12 years of service ...

But researchers have used the James Webb Space Telescope, a collaboration of NASA and its European and Canadian space ...

Galaxies like the Milky Way grow by merging with smaller galaxies over billions of years, unlike dwarf galaxies, which have long been thought to lack the heft to attract mass and grow in the same way.

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in observations..

A team of astronomers led by University of Arizona researcher Catherine Fielder captured the most precise photographs of a ...

BAE Systems built both the spacecraft bus and telescope for the observatory, in addition to leading spacecraft integration ...

Astronomers are celebrating the completion of a 2.5-billion-pixel panoramic picture of the entire Andromeda Galaxy. The team includes several UC Santa Cruz researchers who made significant ...

Los Angeles District Attorney Nathan Hochman on Friday filed charges against eight additional people for crimes committed during California's deadly wildfires. Hochman joins “Elizabeth Vargas Reports” ...

The intrepid mapping mission has collected more than three trillion observations that'll change the way we see our neck of ...