NASA's Solar Dynamics Observatory, which watches the sun constantly, captured these images of a significant solar flare – as seen in the bright flash on the left – peaking at 6:11 p.m. EDT on May 5, 2015.
SpaceX's Dragon capsule sailed through the first flight test of its emergency astronaut escape feature Wednesday, a critical step toward launching people into space from US soil in the next two years.
Water delivery via asteroids or comets is likely taking place in many other planetary systems, just as it happened on Earth, new research strongly suggests.
New work from a team including Carnegie's Christopher Glein has revealed the pH of water spewing from a geyser-like plume on Saturn's moon Enceladus. Their findings are an important step toward determining ...
New research using data from NASA's Cassini mission suggests most of the eruptions from Saturn's moon Enceladus might be diffuse curtains rather than discrete jets. Many features that appear to be individual ...
SpaceX chalked up another big test flight Wednesday, firing a capsule into the air to try out its new, super-streamlined launch escape system for astronauts.
The United Arab Emirates' planned 2020 mission to Mars will study the planet's atmosphere and be appropriately named "Hope," members of the project team revealed Wednesday.
NASA has beefed up a process of traffic monitoring, communication and maneuver planning to ensure that Mars orbiters do not approach each other too closely.
Debris from the US Defense Meteorological Satellite Program (DMSP) F13 satellite, which recently exploded in orbit, could pose a threat to other spacecraft and missions according to new research from the ...
Russia said an unmanned supply ship set for the International Space Station will fall back to Earth Friday and burn up in the atmosphere, after the spacecraft suffered a communications failure.
Private US space transport company SpaceX is to test an eject button for astronauts on Wednesday in the first flight test of the abort system on the Dragon spaceship.
In this image, Spacecraft Operations Manager Franco Marchese and the Sentinel-2 mission control team are seen during simulation training in the Main Control Room at ESOC, Darmstadt, on 28 April.
When we think of spaceflight, we think astronauts. You're a human, you perceive the Universe with your human-centric attitudes. You… specist.
The first critical test flight of SpaceX's crewed Dragon that will soon launch American astronauts back to orbit and the International Space Station (ISS) from American soil is now less than two days away.
NASA's exploration rover Opportunity landed on Mars more than 11 years ago, in January 2004, with what then seemed like ambitious goals: to survive 90 Martian days and drive 600 metres. Opportunity has s ...