These electric-blue night clouds are expanding around the globe, says NASA
July 2, 2019, 11:37 a.m. by Michael d'Estries
Beautiful phenomenon, relatively new to science, may be growing due to greenhouse gas emissions.
Why NASA is sending a winged robot to Saturn's moon, Titan
June 28, 2019, 3:33 p.m. by Christian Cotroneo
The building blocks of life are frozen here.
A meteorite smashed into Mars — and left the red planet black and blue
June 19, 2019, 1:27 p.m. by Christian Cotroneo
A newly formed crater on Mars reveals the red planet's artistic side.
NASA spacecraft to map and sample asteroid that's heading our way
June 17, 2019, 11:15 a.m. by Michael d'Estries
As part of its mission to analyze Bennu, OSIRIS-REx has set a new record for closest orbit of a planetary body by a spacecraft.
5 reasons why the James Webb Space Telescope is such a big deal
June 11, 2019, 10:30 a.m. by Gerri Miller
The highly anticipated successor to the Hubble Space Telescope is scheduled to launch in spring 2021.
NASA's 'Mars Helicopter' aces tests ahead of historic flight
June 7, 2019, 1:14 p.m. by Michael d'Estries
Autonomous aircraft heralds the beginning of a new era in our exploration of the red planet.
You can see Jupiter and some of its moons this month with binoculars
June 7, 2019, 8:26 a.m. by Mary Jo DiLonardo
Jupiter and its moons will be most visible on June 10.
10 spectacular images from NASA's Spitzer telescope
May 24, 2019, 10:40 a.m. by Katherine Butler
The telescope is so sensitive it can see objects optical telescopes cannot. Here are some incredible images it has helped capture.
NASA's InSight lander captures intimate sights and sounds of Mars
April 24, 2019, 11:23 a.m. by Noel Kirkpatrick
For the first time in history, humans may have detected a seismic event on another planet.
Coast redwoods: Majestic giants benefit all humankind
The problem with fake service dogs
The Inuit have a simple way of teaching their children how to control anger
How to identify different types of bees
Rap star Nelly has been quietly sending 2 kids to college every year for a decade
California condor births mark a milestone — and we have pictures to prove it