Observations of I Zwicky 18 at the Palomar Observatory around 40 years ago seemed to show that it was one of the youngest galaxies in the nearby Universe. The studies suggested that the galaxy had…

The best views of the hydrocarbon lakes and seas on Saturn's moon Titan taken by the Cassini spacecraft are being released today. A new radar image comprised from seven Titan fly-bys over the last…

The voyage of NASA’s Pluto-bound New Horizons spacecraft through the Jupiter system earlier this year provided a bird’s-eye view of a dynamic planet that has changed since the last close-up looks by…

Recent observations from NASA and Japanese X-ray observatories have helped clarify one of the long-standing mysteries in astronomy -- the origin of cosmic rays. Outer space is a vast shooting gallery…

There hasn't been an emergency on the launch pad that required the use of an emergency evacuation system for astronauts but, to be safe, NASA has updated earlier systems of escape for Launch Complex…

Otto, the first of the two ALMA antenna transporters, was given its name at a ceremony on the compounds of heavy-vehicle specialist Scheuerle Fahrzeugfabrik GmbH, in Baden-Württemberg. This new…

Discovered by Sir John Herschel in 1834, NGC 3603 is known to harbour a blue supergiant star called Sher 25, believed to be on the verge of exploding as a supernova. It is often known as the Milky…

Scientists at the Naval Research Laboratory report they have captured the first images of a collision between a comet and a solar hurricane. It is the first time scientists have witnessed such an…

Comets are made of the most primitive stuff in the solar system. As hunks of rock and ice that never coalesced into more planets, they give researchers clues to the evolution of solar systems. In…

Astronomers at the University of Rochester are pointing to three nearby stars they say may hold "embryonic planets"—a missing link in planet-formation theories. As scientists try to piece together…