"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, ...

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 ...

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

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

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

Carbon-rich cosmic dust comes from different sources and spreads out into space, where it's necessary for life and for the ...

A famous illustration of Saturn's moon Titan got it all wrong. Never mind -- what we imagine space to be, and what we know it ...

Astronomers have long tried to track down how elements like carbon, which is essential for life, become widely distributed ...

Astronomers have long tried to track down how elements like carbon, which is essential for life, become widely distributed across the universe. Now, NASA’s James Webb Space Telescope has examined one ...

The spacecraft themselves continued to operate normally in Earth orbit during the outage and "no science data has been lost." ...