Pulsar timing array gravitational-wave searches have set the first mass limits on supermassive black hole pairs at cosmic ...

Nov. 6, 2026 After nearly 22 years of exploring the universe’s most violent explosions, NASA’s Swift Observatory has re-entered Earth’s atmosphere over Indonesia. Originally designed to last just two ...

When astronomers first saw the little red dots, they thought the objects were the glow of very populous mature galaxies. But ...

NASA's Swift Observatory will burn up this week. And while the agency has a lot of experience losing beloved hardware, it never gets easier.

ESA's Gaia mission, the Very Large Telescope and other ground-based telescopes have discovered stellar black hole Gaia BH3.

Using data from NASA's Chandra X-ray Observatory, scientists have identified evidence for a supernova remnant located about ...

So far, observations by instruments including the James Webb Space Telescope have revealed the presence of surprisingly ...

Nov. 4, 2026 NASA is exploring a daring plan to save the legendary Hubble Space Telescope from its eventual fiery plunge into Earth's atmosphere. After more than 35 years of groundbreaking discoveries ...

"To look back over the history of Nobel prizes, especially in physics and chemistry, is to look back at the most important ...

Good morning, this is Abel. Today's highlight is the story of NASA's twin Mars probes, ESCAPADE, which will fire their ...

Crowded star clusters in the early Universe could have built giant stars, seeded black holes and fed the mysterious little ...

Astrophysicists think that the supermassive black holes (SMBH) we see in the modern universe are the result of a long, ...