This isotope is found at a ratio of about one per 2,500 helium-4 ions, the latter being the common version of helium.

In a preliminary budget proposal, the agency’s science programs would see a 50 percent reduction, with a 20 percent cut to ...

NASA's James Webb Telescope has been investigating the first-ever case of a star caught swallowing a planet—and, in classic ...

Scientists are increasingly concerned about the future of Earth science under President Donald Trump, as three key NASA ...

The video was taken by Metis on October 12, 2022. Metis is the only instrument capable of seeing such subtle features of the ...

The NASA/ESA Solar Orbiter recently recorded the highest-ever concentration of a rare helium isotope (3He) emitted from the Sun. A Southwest Research Institute-led team of scientists sought the source ...

NASA’s Parker Solar Probe has completed its second close pass near the Sun, moving at a record speed of 692,000 km/h. The spacecraft collected valuable data from the Sun’s corona to help scientists ...

Astronomers have gotten a glimpse of the "city-killer" asteroid before it disappears until 2028, according to NASA.

Almost 10 years ago, a NASA spacecraft was able to take several photos of Pluto, known for decades as a planet before it was ...

Cycles typically last around 11 years, but the exact duration between subsequent solar minimums varies from cycle to cycle.

It's been just about one year since the total solar eclipse dazzled the skies in Lower Hudson Valley April 8, 2024.

CAPE CANAVERAL, Fla. (AP) — NASA’s celebrity astronauts Butch Wilmore and Suni Williams said Monday that they hold themselves partly responsible for what went wrong on their space sprint ...