For decades, scientists have tried in vain to accurately predict solar flares—intense bursts of light on the sun that can ...

Two stars in Wolf-Rayet 140 collide, forming carbon-rich dust. Webb captured 17 expanding dust shells, revealing ...

Astrophysical bow shocks and other multiscale phenomena work like cosmic particle accelerators to launch electrons to ...

"Some of the extreme ultraviolet light above active regions flickers erratically for a few hours before a solar flare," ...

The two astronauts have a busy day ahead of them. Hague and Williams will "patch light leaks in the NICER X-ray telescope, ...

The Parker Solar Probe flew within 3.8 million miles of the Sun's surface, the closest any spacecraft has ever gone.

The year 2025 will be amazing for astronomy enthusiasts, with several planetary alignments predicted. The most significant ...

For humans, the most important star in the universe is our Sun. The second-most important star is nestled inside the Andromeda galaxy. Don't go looking for it -- the flickering star is 2.2 million ...

An international team led by astronomers at Leiden University has shown in laboratory experiments that sulfur can bind with ...