The ultimate purpose of PUNCH is to use its four instruments — three wide-field imagers (WFI) and a near-field imager (NFI) — ...

NASA's Polarimeter to Unify the Corona and Heliosphere (PUNCH) mission launched March 12, sending up a constellation of four ...

The first images from a nascent NASA mission showcased the spacecraft's ability to take deep-field images of the night sky.

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

Solar eruptions created a northern lights display in North America and Europe overnight, with more auroras expected through Thursday.

A newly discovered comet, called C/2025 F2 (SWAN), may have disintegrated. But the remnants are still visible.

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

With a deep partial solar eclipse already in progress, a crescent sun will appear on the eastern horizon. Thirteen U.S. states will see the March 29 solar eclipse in some form, with a deeper ...

Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an inferior conjunction.

Ask any astronaut about the pleasures of spending time aboard the International Space Station (ISS) and one of the responses will surely be the incredible views that they get to enjoy from 250 ...