The mystery of where Earth's water came from got murkier Wednesday when some astronomers essentially eliminated one of the chief suspects: comets.
After a 24-hour delay due to bad weather, the first test launch of the Orion spacecraft by NASA is underway with the ultimate goal of putting human beings on Mars.
Analysis of data from the MATROSHKA experiment, the first comprehensive measurements of long-term exposure of astronauts to cosmic radiation, has now been completed. This experiment, carried out on board and outside of the ...
The European Space Agency says a navigation satellite that ended up in the wrong orbit has completed a corrective maneuver.
European nations announced Tuesday they would build a new-generation rocket in a multi-billion-euro (dollar) programme to maintain their grip on the world market for satellite launches.
A navigation satellite sent astray by a mislaunch in August, has sent a signal from its faulty orbit, and may yet prove useful, the European Space Agency (ESA) said Tuesday.
Members of the European Space Agency (ESA) were hammering out details Tuesday of an eight-billion-euro ($10-billion), 10-year rocket programme with a new Ariane 6 launcher at its heart.
After a two-year debate sparked by the emergence of low-cost competition, European space nations on Tuesday are likely to back plans to build a new rocket, the Ariane 6, say sources.
It's been an interesting year for Venus Express. A few months ago, controllers deliberately dipped the spacecraft into the atmosphere of the planet—for science purposes, of course. The daring maneuver was approved because ...