Jim Lovell: In his own words
The only person to fly to the Moon twice but never trod its surface has some amazing stories to tell.
Hear more from Apollo astronaut Jim Lovell, including exclusive video footage of his in-depth interview.
The nature of empty space
Let’s talk about nothing.
Astronomers use the distant universe to test the reality of quantum mechanics.
A new fight for the night
Blue LEDs may have warranted a Nobel Prize in physics, but the lights are bad news for astronomers.
A video from the International Dark-Sky Association shows simple ways to improve lighting in your neighborhood.
Explore the Antares region
This summer, discover the spectacular area around one of the sky’s brightest stars.
First look at the 2017 total eclipse
Excitement is building for the first total solar eclipse in the U.S. in 26 years.
To catch a shooting star
A renowned meteorite hunter turns his gaze to the sky as part of a growing network of fireball trackers.
This 2.4-inch scope is so portable that you’ll use it night and day.