Planets with four suns in their sky may be more common than previously thought, a new study suggests.
Astronauts on the International Space Station caught sight of an amazing solar eclipse March 20, and they have the photos to prove it.
Friday is a huge day for skywatchers, offering a rare trifecta of celestial events – a total solar eclipse, a supermoon, and the vernal equinox.
Even though most people around the world won't be able to see Friday's total solar eclipse in person, anyone with an Internet connection can watch it live online thanks to two webcasts featuring...
Our young sun may have routinely blasted Earth with gobs of energy more powerful than any similar bombardments recorded in human history.
For the first time ever, NASA’s Van Allen Probes caught the before and after effects of a solar shockwave as it was happening. The event, which occurred on October 8, 2013, was triggered by an...
SAN FRANCISCO Space rocks barreling toward Earth could potentially be discovered by detecting changes in streams of plasma and particles known as solar wind, new research suggests
A humongous sunspot — the biggest one seen since 1990 — produced no aurora-causing events despite firing off 10 intense solar flares in less than two weeks last month, scientists say.