NASA’s OSIRIS-REx is launching for asteroid Bennu tonight. You can watch the launch on live stream right here.

2 weeks ago Comments closed

Watch NASA’s Juno spacecraft arrive at Jupiter via these live streams, as it happens, for free online. See DSN antenna responses and watch simulators too.

2 months ago Comments closed

Mars will be at its closest point to the Earth tonight. You can view the planet on an online livestream in this article.

3 months ago Comments closed

These are photos of Mercury crossing and passing over the Sun, a rare event that last occurred a decade ago. These are the best photos of Mercury’s transit.

4 months ago 1 Comment

Watch Mercury cross in front of the sun online live, right here. Watch NASA’s and five other livestreams, including videos from other countries, all day.

4 months ago Comments closed

These are videos of the stunning total solar eclipse on March 8, 2016. The next total eclipse won’t be until August 2017.

6 months ago 2 Comments

A stunning solar eclipse was seen in parts of Indonesia, Malaysia, Nepal, Australia, and other regions today. These are photos of the total and partial eclipse.

6 months ago 2 Comments

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?

6 months ago Comments closed

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.

6 months ago Comments closed

These are the best Twitter and Instagram photos from Astronaut Scott Kelly’s year in space. Stunning photos show the immensity of our universe.

6 months ago 2 Comments

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.

6 months ago Comment

Watch the livestream of astronaut Scott Kelly returning to Earth after spending a year in space.

6 months ago Comments closed

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.

7 months ago 2 Comments

These are photos of Albert Einstein and his journey with the General Theory of Relativity, which predicted gravitational waves.

7 months ago Comment

What are gravitational waves? How does LIGO detect them? This video about gravitational waves by PHD Comics will answer your questions.

7 months ago Comment

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?

7 months ago 9 Comments