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

Researchers have identified the origin of the highest-ever recorded concentration of a rare helium isotope (³He) emitted from ...

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

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 ...

Planets are eaten by dying stars as they turn into red giants and expand. Earth will be eaten by the sun in billions of years ...

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

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

Has the sun already reached solar maximum? New data suggests Solar Cycle 25 may have peaked earlier than expected. Find out ...

But that's not all: Nasa faces another problem when trying to track asteroids from the ground. The brightness of the Sun makes it extremely difficult to spot asteroids in that part of the sky.

NASA’s celebrity astronauts Butch Wilmore and Suni Williams said Monday that they hold themselves partly responsible for what ...

NASA has been monitoring a strange anomaly in Earth's magnetic field: a giant region of lower magnetic intensity in the skies ...

A group of scientists and NASA got together and with the help of supercomputers came up with a date for total and complete ...