Astronomers from Caltech and Yale University have discovered a distant object that could be nearly as large as Pluto. The…
The European Space Agency's Proba spacecraft imaged the Nasca region of Peru; famous for its giant lines and animal figures.…
Astronomers spotted the brightest supernova seen in modern times almost 17 years ago, and the Hubble Space Telescope has been…
Space shuttle director Michael Kostelnik announced this week that work to return the shuttle fleet to flight was going slower…
A Russian Soyuz rocket with a classified government cargo lifted off from the Plesetsk Cosmodrome in far northern Russia. The…
Human travelers to Mars face many challenges. One of the biggest unknowns is exactly what effect radiation from the Sun…
Dr. Hayley Bignall, an astronomer from the Joint Institute for Very Long Baseline Interferometry in Europe (JIVE), believes that interstellar…
The latest image released from the European Space Agency's Mars Express spacecraft is of Kasei Vallis; one of the largest…
Construction of the European Space Agency's Herschel Space Observatory is well underway, and engineers recently completed a significant part of…
NASA has postponed the test of its X-43 prototype because of a problem with the aircraft's rudder. The 4-metre X-43…