NASA’s Hubble Space Telescope got a rare look at the aftermath of two cosmic collisions — and helped scientists solve a decades-old mystery.

That close pass triggered intense star formation, which astronomers have described as "fireworks." Whenever two galaxies ...

Since then, astronomers have observed all manner of lensing caused by all manner of bodies—perhaps none as visually striking ...

A black hole the mass of at least ten million suns is tearing through space, fast enough to escape its home galaxy. As it ...

Astronomers have made a truly mind-boggling discovery using the James Webb Space Telescope (JWST): a runaway black hole 10 ...

Satellite streaks could spoil about one in three Hubble images, even when the telescope stays above Earth's weather.

Satellite streaks could spoil about one in three Hubble images, even when the telescope stays above Earth's weather.

Comet 3I/ATLAS, a rare interstellar visitor, is visible this week as it departs the solar system, with some public events ...

Yu-Jing Qin, a postdoctoral researcher at California Institute of Technology (Caltech), led a series of spectroscopic ...

The 16th day of the 18th annual Space Telescope Advent Calendar shows a spiral galaxy displaying at least nine concentric ...

Then, on November 25, teams at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, joined the inner and outer portions ...

This NASA/ESA Hubble Space Telescope image features a glittering blue dwarf galaxy called Markarian 178 (Mrk 178). The galaxy ...