The planet is experiencing the most powerful solar event since 2003—and it's bringing spectacular Northern Lights.

Earth just experienced a rare S4 solar radiation storm, the most intense since 2003 — powerful for satellites and astronauts, ...

A recent study by geophysicists at Washington State University offers insight into how nutrients may reach the subsurface ...

The sun sure has woken up this week, unleashing a powerful X-class solar flare on Jan. 18 that hurled a colossal, fast-moving ...

A Cornell student's light sail, which weighs only 0.2 pounds, was released from the International Space Station by astronauts ...

It may not feel like it, but everything in the universe is in constant motion. Our Sun, with all its planets, orbits the center of the Milky Way, flying through the cosmos at around 450,000 miles per ...

The Kuiper belt, a disc of icy rocks on the outermost edges of the solar system, seems to have more structure than we thought. In 2011, researchers found a cluster of objects there on similar orbits ...

If you've ever wondered why we are here, then you can thank Jupiter for part of the answer. A new study from Rice University suggests that if it weren't for the gas giant, the Earth would have ...

Sun King, the world’s largest off-grid solar company, expects that manufacturing plants it’s planning for Kenya and Nigeria will deliver import substitutions of $150 million each over the next five ...

An interstellar comet that originated outside our solar system just made its closest pass of the sun, setting it on an outgoing path — but it’s not leaving our cosmic neighborhood yet. The comet, ...

Earlier this month, the comet passed within 12 miles of Mars, giving NASA's HiRISE camera aboard the Mars Reconnaissance Orbiter a chance to capture its closest photos yet. Those images have not been ...