| on Tue, Apr 4, 5:08 AM
The United Launch Alliance will use a novel zip line to move astronauts away from the Launchpad in case of an emergency with their Atlas V rocket or Boeing Starliner CST-100 spacecraft. See how it works in photos.
| on Tue, Apr 4, 4:17 AM
The NASA Cassini mission has studied the Saturn system for many years and will have one final act later this year as it dives into the gas giant. Take a look back at its epic journey and an animation of the final moments of the mission.
| on Tue, Apr 4, 3:40 AM
A car-size asteroid was caught on camera just before it approached within 10,100 miles (16,300 km) of Earth today (April 4), less than 1/20th the distance from the Earth to the moon.
| on Tue, Apr 4, 3:16 AM
In order to explore the surface of place like Saturn’s moons Titan and Enceladus, a rover would need specialized tools to deal with traveling over and drilling into ice. NASA is currently reviewing rover prototypes that could fit the bill.
| on Tue, Apr 4, 1:30 AM
NASA's New Horizons spacecraft is now more than halfway from Pluto, which it famously flew past in July 2015, to its next flyby target: a distant object known as 2014 MU69.
| on Mon, Apr 3, 4:56 AM
Astronomers spotted a peculiar burst of bright X-rays in a distant area of the universe, and they're not quite sure where it came from.
| on Mon, Apr 3, 4:00 AM
Veteran NASA astronaut Peggy Whitson holds the records for the most cumulative spacewalking time by a woman and is the oldest woman to go to space. Here are some of her most memorable moments.
| on Mon, Apr 3, 3:55 AM
The United Launch Alliance rocket will launch astronauts to the International Space Station starting in 2018. The spaceflight company talks about preparation for flight.
| on Mon, Apr 3, 2:34 AM
Active Region 2644 (AR2644) erupted with 4 m-class solar flares from April 1-3, 2017. NASA’s Solar Dynamics Observatory captured the fireworks.
| on Mon, Apr 3, 2:00 AM
The enormous James Webb Space Telescope is undergoing extensive testing to prepare for its nearly million-mile journey through space. After it launches in late 2018, it will return groundbreaking images of distant planets, ancient galaxies and more.