A spacecraft image shows the Sun as a patchwork of yellow and black. Many thin, white arcs extend away from the brighter yellow patches on the Sun and loop back downward to other parts of the Sun.

For many astronomers and astrophysicists there are two distinct, important periods: before the James Webb Space Telescope – and after. It has powered many scientific discoveries since it came online, ...

For all we’re learning about the distant cosmos, there’s still much we don’t understand about things much closer to us, like the Sun. It’s difficult to investigate something as big and hot as the Sun ...

The proton sharks showed up on a Friday. In a routine data calibration meeting for NASA's Parker Solar Probe in 2020, a small ...

NASA researchers have captured the longest solar radio emission ever observed, exceeding the previous record by almost ...

NASA’s MAVEN spacecraft has revealed the first evidence of the Zwan-Wolf effect on Mars, challenging long-standing ...

Ben Nowack is the cofounder and CEO of Reflect Orbital, and says there are plenty of applications for redirected sunlight, ...

The Sun unleashed a bizarre radio signal that kept broadcasting for 19 straight days, leaving NASA scientists stunned.

NASA’s Fermi telescope has detected what may be the first confirmed gamma-ray signal from a superluminous supernova — one of the most extreme explosions in the universe. Scientists believe the blast ...

Somewhere beyond the influence of the solar wind, more than 25.5 billion kilometers from the nearest human being, Voyager 1 ...

NASA's Solar Dynamics Observatory recorded two strong solar flares last week. The first flare peaked at 9:07 p.m. April 23. The second reached its peak at 4:13 a.m. April 24. According to NASA press ...