Astronomy

New research suggests that the largest cosmic structure is even bigger and closer to Earth than we knew. It goes against scientists' models of cosmic evolution.

NASA's PUNCH sun-studying mission has seen first light — and the team says all four instruments are indeed working as expected.

Astronomers have stumbled upon yet another ghostly galaxy that appears to be devoid of dark matter, the elusive stuff that makes up most of the material universe.

A new portrait of a pillar of gas and dust in the Eagle Nebula is a reason to celebrate.

NASA just unveiled a new image of the iconic Sombrero Galaxy, showcasing intricate details of its vivid structure that resembles the broad-brimmed Mexican hat.

Scientists have found further evidence of possible biosignature gases on the planet K2-18b, strengthening its case as an abode for alien life. But the case is far from closed.

Using the Hubble and Gaia space telescopes, astronomers have discovered that a powerfully magnetic neutron star in the Milky Way wasn't born in a supernova.

"The next set of solar cycles will be more active."

AI can bridge the growing gap between new and old solar observations and help scientists uncover overlooked aspects of our star's long-term evolution, a new study argues.

A fog of long-wavelength infrared light could be produced by dusty, star-forming galaxies that have remained hidden — until now, that is.