Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

V1674 Herculis was a record-breaker. It erupted in the constellation Hercules on June 12, 2021, and skyrocketed to peak ...

In 1776, the United States of America as we know it declared independence. And from the 18th century to today, the country ...

In 1776, the United States of America as we know it declared independence. And from the 18th century to today, the country ...

Pablo’s Galaxy existed about three billion years after the Big Bang and lies roughly 11 billion light-years from Earth.

Gamma rays are invisible and ultra-powerful forms of light. They are the most energetic source of radiation known in the ...

The James Webb Space Telescope has captured a view of Lynds 483 (L483), an "actively forming star system," according to NASA. Credit: NASA, ESA, CSA, STScI, N. Bartmann (ESA/Webb) | edited by ...

Astronomers using the James Webb Space Telescope report that a powerful gamma-ray burst detected in March may have been produced by the explosion of a massive star just 730 million years after the Big ...

Supernovae aren't one of the JWST's main science themes, but the perceptive telescope is full of surprises. Recently, it pinpointed a single star in a galaxy when the universe was only about 730 ...

NRAO News reports on a new study in which astronomers have detected radio signals from a rare type of stellar explosion for the first time. The discovery was made using the U.S. National Science ...

Add Yahoo as a preferred source to see more of our stories on Google. An artistic impression of Nova V1674 Herculis. The recent deaths of two white dwarf stars are challenging our understanding of ...