Tonight’s total eclipse of the sun won’t be viewable in the U.S. When is the next total solar eclipse that you can see in the United States? Is it far away?
Tonight is a rare total solar eclipse. Watch three free livestreams of the eclipse and find out what time this year’s only total eclipse of the sun begins.
These are the best Twitter and Instagram photos from Astronaut Scott Kelly’s year in space. Stunning photos show the immensity of our universe.
Astronaut Scott Kelly returns after a year in space. Find out more about his mission, little-known facts about his year, and what we’ll learn from his trip.
Watch the livestream of astronaut Scott Kelly returning to Earth after spending a year in space.
Apollo 10 astronauts heard strange music on the other side of the moon. But the explanation isn’t so mysterious. Find out what they heard and listen to it.
These are photos of Albert Einstein and his journey with the General Theory of Relativity, which predicted gravitational waves.
What are gravitational waves? How does LIGO detect them? This video about gravitational waves by PHD Comics will answer your questions.
Astronaut Edgar Mitchell believed aliens and UFOs were real and part of a huge coverup. Did he ever see aliens? What did he say publicly?
Astronaut Edgar Mitchell has died. He was the sixth man to walk on the moon and often spoke about alien theories.
A meteor’s coming very close to Earth, and it’s bigger than the Chelyabinsk, Russia meteor that injured thousands. Here are videos & details on Chelyabinsk.
A 100-foot-wide asteroid could come within 11,000 miles of Earth next month, and in 2017 the odds of its hitting us are better than of your winning Powerball.
Is Planet Nine real? With the announcement of evidence that there may be a new planet in our solar system, excited science fans celebrated with memes.
Is Planet X of mythology, the “Nemesis” planet that causes extinction events, real? Has Nibiru been discovered? Is Planet Nine the planet of Annunaki myth?
Here’s how to watch a livestream of the Quadrantid meteor shower tonight and where and when to look in the sky from your own backyard.