The black hole at the heart of galaxy SDSS1335+0728, located 300 million light-years away, was quiet for decades as it consumed little matter and was in a dormant state. But recently it suddenly lit ...

Astronomers are investigating the longest and most energetic bursts of X-rays seen from a newly awakened black hole. Watching this strange behavior unfold in real time offers a unique opportunity to ...

Planets are eaten by dying stars as they turn into red giants and expand. Earth will be eaten by the sun in billions of years ...

Scientists have observed a previously inactive supermassive black hole producing regular, powerful X-ray eruptions that ...

The Andromeda galaxy is surrounded by a constellation of dwarf galaxies that are arranged in a highly lopsided manner. Analysis of cosmological simulations published in Nature Astronomy reveal that ...

Researchers have identified the origin of the highest-ever recorded concentration of a rare helium isotope (³He) emitted from ...

Dr. Stephen Hauser, a Ross resident who is a neurology professor at the University of California at San Francisco, ...

The American doctor has revealed that enigmatic DNA circles are present in more than half of patients with highly aggressive ...

Last summer, researchers announced the first ever detection of a supermassive black hole being spotted as it awoke. The ...

A team of Rice University researchers reported the first direct observation of a surprising quantum phenomenon predicted ...

Through his research at Caltech, a local high school student revealed 1.5 million previously unknown objects in space, ...

This isotope is found at a ratio of about one per 2,500 helium-4 ions, the latter being the common version of helium.