Rapid X-ray oscillations detected near the innermost orbit of a supermassive black hole could indicate the presence of a nearby orbiter such as a white dwarf ...

Astronomers are trying to understand a mysterious cosmic explosion that the Einstein Probe spacecraft spotted in April last year.

Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back to the first 1 billion years ...

For 16 years, the Buffalo National River has denied explorers access to Arkansas’s longest cave and hundreds of others. Some ...

Clever Trick to Cook Stars Like Christmas Pudding Detected ... white dwarfs are slightly puffier than cooler ones, even when ... Binary Star Found Near Our Galaxy's Supermassive Black Hole Dec ...

From a brain-inspired vision chip to an ice core time machine, these were the most important breakthroughs last year, ...

As concerns grow about the impact of herbicides on manatees, new studies point to water lettuce’s roles in aquatic ecosystems.

LISA is set to revolutionize our understanding of the gravitational universe and the interactions that make the entire cosmos ...

Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...

Supermassive black holes are seen as sources of wanton cosmic destruction, but there may be more to their powerful influence ...