Halo Around the Andromeda Galaxy is Larger Than Previously Thought
Using the Hubble Space Telescope, astronomers have discovered that the immense halo of gas enveloping the Andromeda galaxy is about six times larger and 1,000…
Using the Hubble Space Telescope, astronomers have discovered that the immense halo of gas enveloping the Andromeda galaxy is about six times larger and 1,000…
By mapping the radioisotope titanium-44, NASA’s NuStar reveals evidence of an asymmetrical explosion from supernova 1987A and helps to explain the mechanics of SN 1987A…
Using the Atacama Large Millimeter/submillimeter Array, astronomers have discovered what may be the first known example of a globular cluster about to be born. Globular…
A newly published study reveals that most of the eruptions from Saturn’s moon Enceladus might be diffuse curtains rather than discrete jets. Many features that…
A newly published study examines the concentric gaps in the protoplanetary disk surrounding the young star HL Tau, revealing the possibility of planets forming within…
An international team of astronomers has pushed back the cosmic frontier of galaxy exploration to a time when the universe was only 5% of its…
This newly released image from the 2.2-meter MPG/ESO telescope shows the dark molecular cloud cataloged as LDN1774. Rather than showing spectacular objects, some of the…
Data from NASA’s Curiosity rover reveals transient liquid water and water activity at Gale Crater on Mars. Fayatteville, Arkansas – Data collected on Mars by…
NASA’s Lunar Reconnaissance Orbiter is now within 20 kilometers of the lunar South Pole, the closest the spacecraft has ever been to the lunar surface….
New theoretical work from the Harvard-Smithsonian Center for Astrophysics reveals that water vapor could have been abundant in the early universe. How soon after the…
Taken by NASA’s Cassini spacecraft, this image reveals the 130-kilometer-wide impact crater on Saturn’s moon Mimas. The great eye of Saturn’s moon Mimas, a 130-kilometer-wide…
This newly released Hubble image provides the clearest ever view of galaxy NGC 949, which lies over 30 million light-years away in the constellation of…
New research from NASA’s Chandra X-ray Observatory reveals the existence of a population of black holes that is consuming extremely large amounts of material, possibly…
A team of astronomers reveal the first complete three-dimensional view of the famous Pillars of Creation. Using the MUSE instrument on ESO’s Very Large Telescope…
NASA’s New Horizons spacecraft has detected surface features on Pluto, revealing bright and dark regions on the surface. The images were captured in early to…
NASA’s NuSTAR has spotted a mysterious glow of high-energy X-rays at the center of our Galaxy. Astronomers aren’t sure what the sources of the extra…
These new images from NASA’s New Horizons spacecraft show one complete rotation of Pluto and its largest moon Charon. This series of New Horizons images…
Using a telescope that robotically searches for planets on clear nights, astronomers have discovered three super-Earth mass planets orbiting HD 7924. A team of astronomers…