Using the ULTRACAM instrument on ESO’s 3.5-m New Technology Telescope and NASA’s Transiting Exoplanet Survey Satellite (TESS), astronomers have observed...
Astronomers using NASA’s Chandra X-ray Observatory have detected five X-ray events from G29-38, which is among the 100 closest white dwarfs. Their results...
The NASA/ESA Hubble Space Telescope has taken a picture of the Chamaeleon Cloud I, part of a large star-forming region called the Chamaeleon Cloud Complex.
This...
Astronomers have assembled a catalog of all known Galactic binaries featuring massive disks of gas and dust that are similar to the protoplanetary disks...
The temperature of a planet’s atmosphere decreases with increasing altitude, unless a shortwave absorber that causes a temperature inversion exists....
Dr. Chengcai Shen from the Harvard & Smithsonian Center for Astrophysics and colleagues have analyzed images of the so-called supra-arcade downflows...
During solar storms, the Sun expels large amounts of energetic particles that can react with the atmosphere of Earth and produce cosmogenic isotopes such...
Using the Gemini Multi-conjugate Adaptive Optics System (GeMS) and the Gemini South Adaptive Optics Imager (GSAOI) on the 8.1-m Gemini South telescope...
Astronomers using NASA’s Spitzer Space Telescope have produced an outstanding infrared image of the star-forming region NGC 2174.
This Spitzer image...
Space Telescope Science Institute astronomer and data visualization expert Dr. Catherine Zucker and her colleagues have shown how a chain of events beginning...
Named C-19, the newly-discovered stellar stream is the remnant of an ancient globular cluster and contains stars with extremely low metallicity, with a...
One of the most poorly understood stellar evolutionary paths is that of binary stellar systems undergoing common-envelope evolution, when the enormous...
Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered a unique object of uncertain nature — possibly a disintegrating...
The giant gamma-ray flare event, designated GRB 2001415, was emitted by a powerful magnetar in NGC 253, an active starburst galaxy approximately 11 million...
The James Webb Space Telescope, an international partnership between NASA, ESA and the Canadian Space Agency (CSA), launched at 7:20 a.m. EST (13:20 CET)...
Just two weeks after launch, NASA’s Double Asteroid Redirection Test (DART) spacecraft has returned its first images from space.
On December 10, 2021,...
Using observations and archival data from several space- and ground-based telescopes, astronomers have discovered a rich population of free-floating planets...
NASA has released a beautiful image snapped by the NASA/ESA Hubble Space Telescope of the open star cluster NGC 1755.
This Hubble image shows NGC 1755,...
