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.

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

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

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

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 ...

Interstellar comet 3I/ATLAS is about to vanish from view. Earth and this interstellar interloper will be on opposite sides of the Sun for a little while. The glare of our star will be blocking the ...

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

A sci-fi idea is gaining supporters, from billionaires to city councils. Whether it's feasible is another matter.

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

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

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