Solar activity has been on an overall decline since the ‘80s and scientists were expecting us to plunge into a historic low ...

NASA’s IMAP mission will explore the heliosphere and study how it shields Earth from cosmic radiation and space weather.

NASA and the National Oceanic and Atmospheric Administration have launched three new missions to enhance our understanding of ...

The Sun's activity is rising again after decades of decline, surprising scientists and raising concerns about space weather.

On the side of the Sun facing Earth, a giant coronal hole appeared in the shape of an enormous love heart, many times the ...

Just as passengers don’t feel the plane’s speed while smoothly cruising, we don’t feel Earth’s movement because we’re ...

While we haven't seen an interstellar comet being struck by a coronal mass ejection before, we have seen it happen to others. This happened on April 20, 2007, when NASA's STEREO A spacecraft saw Comet ...

Imagine for a moment that Earth suddenly shrank to the size of the Moon, while the Moon expanded to the size of Earth. How would life on our planet change? Could humans survive this dramatic cosmic ...

The point at which the sun is directly overhead at the equator before moving towards the winter solstice in December changes ...

A team of scientists has investigated how Earth’s twin became so inhospitable, and whether the same will happen to our planet ...

As of Sunday, Sept. 28, the moon phase is Waxing Crescent, and according to NASA's Daily Moon Observation, 36% of its surface ...

Kevin France, a professor of astrophysics at the University of Colorado Boulder, discusses the Habitable Worlds Observatory, ...