12 spectacular images from NASA's Spitzer telescope
September 6, 2019, 3:15 p.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.
5 reasons why the James Webb Space Telescope is such a big deal
August 29, 2019, 12:45 p.m. by Gerri Miller
The highly anticipated successor to the Hubble Space Telescope is scheduled to launch in spring 2021.
What's the difference between dark matter and dark energy?
August 29, 2019, 8:16 a.m. by Christian Cotroneo
Together, they account for 95 percent of our universe.
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.