Astronomers Measure a Black Hole’s “Point of No Return”
For the first time, international team of astronomers has measured a black hole’s “point of no return,” the closest distance that matter can approach before…
Astronomy News
Mysterious Cold Layer Discovered in the Atmosphere of Venus
Based on a new analysis of compiled data from ESA’s Venus Express, scientists have uncovered a very chilly layer high in Venus’s atmosphere with temperatures…
Catalog of Moon’s Craters May Reveal Ice Beyond Moon’s Poles
There might be more ice on the Moon than was previously thought. There are permanent shadows far from the lunar poles, which has expanded the…
Hubble Views Spiral Galaxy NGC 4183
First observed by the British astronomer William Herschel on January 14, 1778, and now seen in this new image from Hubble, spiral galaxy NGC 4183…
Scientists Measure the Radius of a Black Hole at the Center of M87
Using the Event Horizon Telescope, an international team of scientists has for the first time measured the radius of a black hole at the center…
Curiosity Finds Ancient Streambed on Mars
While examining two outcrops, called “Hottah” and “Link,” NASA’s Curiosity rover found evidence that a stream once ran between the north rim of Gale Crater…
Troughs Suggest Vesta Has Characteristics Like a Planet or Large Moon
Using data from NASA’s Dawn spacecraft, scientists have been working hard to determine the story behind the enormous troughs that wrap around the giant asteroid…
New Image of the Seagull Nebula
A close-up view of the head of the Seagull Nebula, which is located roughly 3,700 light-years away from Earth, was captured in this new image…
Short-Period Binary Stars Tend to Merge Into Single Star
A computer simulation suggests that there are many single stars that were born as two separate suns, which eventually merged into a single star during…
New XDF Image, The Deepest-Ever View of the Universe
This new full-color XDF image offers an improved portrait of the deepest-ever view of the Universe and contains about 5,500 galaxies. The Hubble Ultra Deep…
Chandra Shows Halo of Hot Gas Surrounding the Milky Way
The Chandra X-ray Observatory has provided evidence that our Milky Way Galaxy is embedded in an enormous halo of hot gas with a radius of…
Artificial Intelligence Algorithm Helps Chart the Universe
A newly published study details the artificial intelligence algorithm a team of astronomers developed to help them chart and explain the structure and dynamics of…
Dawn Spacecraft Finds Traces of Water on Giant Asteroid Vesta
Vesta, the second most massive asteroid in the Solar System, after the dwarf planet Ceres, was thought to be a dry place, but the most…
NASA’s Dawn Mission Reveals Hydrated Minerals on Vesta
Two new papers based on observations from the low-altitude mapping orbit of the Dawn mission were recently published in the journal Science. One paper describes…
NASA Telescopes Spot Ultra-Distant Galaxy, MACS 1149-JD
Using NASA’s Spitzer and Hubble space telescopes and gravitational lensing, astronomers have spotted what could be the most distant galaxy ever seen. With the combined…
Probable Distance to Remnant of Kepler’s Supernova
Scientists at CfA have taken an important step in determining the distance of the remnant of Kepler’s supernova, concluding that the remnant distance is probably…
NASA’s Opportunity Discovers Geological Mystery on Mars
NASA’s Opportunity rover discovered puzzling spherical objects on Mars at a rock outcrop called Kirkwood. The spherules vary in composition, concentration, distribution, and structure from…
Hubble Views Galaxy NGC 7090
This new Hubble image shows galaxy NGC 7090, which is located about thirty million light-years from the Sun in the southern constellation of Indus….