A solar jet captured by the Solar Orbiter unleashed a mind-blowing 200,000-fold increase in a rare helium isotope, 3He – far ...

Astronomers are investigating the longest and most energetic bursts of X-rays seen from a newly awakened black hole. Watching this strange behavior unfold in real time offers a unique opportunity to ...

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

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

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 ...

The NASA/ESA Solar Orbiter recently recorded the highest-ever concentration of a rare helium isotope (3He) emitted from the ...

It's been 1 year since the total eclipse over the U.S. Georgia only got a piece. When will residents get totality and what is the path? Here's what we know.

As global temperatures rise, scientists debate the pros and cons of solar geoengineering, a strategy to cool Earth by reflecting sunlight into space.

Here's how the solar eclipse played out in Vermont on April 8, 2024: In Burlington, on a farm, and from a hilltop overlooking ...

A dark patch on the Sun's face marked a coronal hole spotted in March 2013 by NASA's Solar Dynamics Observatory. This image shows the Sun in high-energy X-rays using data from three space telescopes.

With geomagnetic storm levels on the rise, observers in the northern territories and across the Prairies stand the best chance of witnessing this extraordinary phenomenon. Clear skies will be ...

Observers across the Prairies, as well as anyone in the northern territories, have the best chance at spotting the Northern ...