ESA’s Solar Orbiter should solve the longstanding puzzle about why the Sun’s outer corona is so much hotter than its surface.

As the closest planet to the Sun, Mercury is exposed to the star's enormous gravitational field. And it's really stressful.

The spacecraft on the Sun-side is the Occulter, designed to block the solar disk for the Earth-side craft: the Coronagraph.

#2. The Moon came from Earth. It didn’t form beside our planet, and Earth’s gravity didn’t capture it. The latest theory says ...

ESA’s Proba-3 mission has achieved a spacefaring marvel: two satellites flying in perfect formation to mimic total solar ...

Astro Brief is a collaboration between KSMU, the Missouri Space Grant, and MSU's Department of Physics, Astronomy and ...

Wide-orbit planets are fairly common according to the study, and there's a good chance we have one of our own.

What does an artificial eclipse look like? One space agency's satellites recently accomplished this task as part of a mission ...

If our Solar System seems stable, it’s because our short lifespans make it seem that way. Earth revolves, night follows day, ...

Two satellites’ highly precise alignment allows scientists to study the sun’s outer atmosphere like never before ...

The Sun’s outer atmosphere—the corona—only reveals itself during total solar eclipses, which happen about every 18 months on ...

The European Space Agency (ESA) has achieved a rather unusual feat, successfully creating and maintaining artificial solar ...