Chandra Discovers White Dwarf Stars and Other Exotic Binaries in 47 Tucanae
Cataclysmic variable stars (CVs) are white dwarf stars that are accreting from an orbiting, low-mass binary companion star. The accretion is facilitated by the proximity…
Cataclysmic variable stars (CVs) are white dwarf stars that are accreting from an orbiting, low-mass binary companion star. The accretion is facilitated by the proximity…
Astronomers are back in the dark about what dark matter might be, after new observations showed the mysterious substance may not be interacting with forces…
See intricate cloud patterns in the northern hemisphere of Jupiter in this new view taken by NASA’s Juno Spacecraft. The color-enhanced image was taken on…
Witness the most spectacular and mysterious depths of the cosmos through Hubble’s eye. These unique images are some of the best ever captured by the…
Astrophysicists from the University of Surrey and the University of Edinburgh have created a new method to measure the amount of dark matter at the…
On rare calm days, the most striking thing you notice at an altitude of more than 8,000 feet on an Antarctic glacier is the silence….
A Columbia University-led team of astrophysicists has discovered a dozen black holes gathered around Sagittarius A* (Sgr A*), the supermassive black hole in the center…
New images from ESO’s Very Large Telescope in Chile and other telescopes reveal a rich landscape of stars and glowing clouds of gas in one…
In a new study published today in the Astrophysical Journal, researchers from New York University Abu Dhabi and NASA’s Jet Propulsion Laboratory (JPL) in Pasadena,…
Gullies on Martian sand dunes, like these in Matara Crater, have been very active, with many flows in the last ten years. The flows typically…
Astronomers using NASA’s Hubble Space Telescope have for the first time precisely measured the distance to one of the oldest objects in the universe, a…
Chemical models developed to help limit the emission of pollutants by car engines are being used to study the atmospheres of hot exoplanets orbiting close…
Astronomers have used Chandra to study a gigantic and resilient “cold front” in the Perseus galaxy cluster. This structure spans about 2 million light years,…
An international team of researchers has imaged newly forming jets of plasma from a massive black hole with unprecedented accuracy. Radio images made with a…
In the first fractions of a second after the birth of our universe, not only elementary particles and radiation, but also magnetic fields were generated….
Astronomers using the NASA/ESA Hubble Space Telescope have found the most distant star ever discovered. The hot blue star existed only 4.4 billion years after…
This image is packed full of galaxies! A keen eye can spot exquisite ellipticals and spectacular spirals, seen at various orientations: edge-on with the plane…
As part of an effort to identify distant planets hospitable to life, NASA has established a crowdsourcing project in which volunteers search telescopic images for…