fter a decades-long quest, The MIT-Caltech collaboration LIGO Laboratories has detected gravitational waves, opening a new era in our exploration of the universe.

This movie of the March 6, 2012 X5.4 flare was captured by the Solar Dynamics Observatory (SDO) in the 171 and 131 Angstrom wavelength. One of the most dramatic features is the way the entire surface of the sun seems to ripple with the force of the eruption. This movement comes from something called...

The robot lander Philae has sent back to Earth the first image taken on the surface of a comet more than 500 million kilometers away.

Landing the Curiosity rover on Mars is the most difficult and nail-biting part of the whole mission. See just how hard it is to land on Mars in this 60-second video.

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Huge cloaked UFO next to Mercury on SECCHI HI1-A on 12/01/11, appears when a CME hits it. Go to SECCHI and record this before it disappears. Here's the link ...

The moon will pass through Earth's shadow tonight in the only total lunar eclipse of 2019 and you won't want to miss it! If you do, you'll have to wait two years for the next one. And if you're in North America, you'd have to wait even longer, until 2022!

The partial stage of the lunar eclipse b...

Astronaut Ron Garant answers the question: So we have routine travel between Earth and its nearest neighbor. By doing that that would open up the entire solar system. That enables us to use the resources that are on the moon. It enables us to launch in a much lower gravity field than Earth. It opens

"It is called a supermoon because this is a very noticeable alignment," Dr. James Garvin, chief scientist at NASA's Goddard Space Flight Center, said in a statement accompanying a new video on the topic. "The 'super' in supermoon is really just the appearance of being closer."

For the best view, ...

How big can they get? What's the largest so far detected? Where does an 18 billion solar mass black hole hide? We've never seen them directly, yet we know they are there. Lurking within dense star clusters or wandering the dust lanes of the galaxy. Where they prey on stars. Or swallow planets whole....