Cosmological data suggest unexpected masses for neutrinos, including the possibility of zero or negative mass.

Astronomers have detected two massive jets of energy from a supermassive black hole, extending over 23 million light-years.

New infrared image highlights star formation triggered by merger-in-progress. Arp 107, a pair of interacting galaxies, shines ...

Scientists have discovered the largest known black hole jet, named Porphyrion, stretching 23 million light years across. This colossal jet raises intriguing questions about its perfectly straight ...

Astrophysicists continue to wrestle with questions about the evolution of the universe. Measurements often don’t align as ...