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

After a close look with a powerful radio telescope, astronomers are still puzzled by a pair of objects with strange ...

"For such a faint and unknown target, we were not sure if we would get any data at all — but the strategy worked." ...

Astronomers have captured the most detailed infrared images yet of an active galactic nucleus (AGN), using the Large ...

An international team of scientists has produced the clearest three-dimensional view yet of the Ring Nebula—one of the night ...

Venus, Mars, Jupiter and Saturn are visible to the naked eye in January and for part of February. Uranus and Neptune can only ...

"For such a faint and unknown target, we were not sure if we would get any data at all — but the strategy worked." Astronomers studying elusive supermassive black holes at the hearts of galaxies ...

Sylmar resident Alejandro Perez (right) helps his 4-year-old son Alexander look through a telescope during Telescope Night at the Sylmar Branch Public Library, with the help of librarian Dana Eklund. ...

The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes ...

An international team of scientists has provided the clearest evidence yet that some fast radio bursts (FRBs)—enigmatic, ...