Astronomers using the NASA/ESA Hubble Space Telescope have observed young stars in a crowded stellar cluster called Westerlund 2. They’ve found that...
Repeated collisions with the Sagittarius dwarf galaxy may have triggered major star formation episodes in our Milky Way Galaxy, one of which roughly coincided...
Astronomers have spotted a giant galaxy with a massive star-forming ring that existed 10.8 billion years ago.
An artist’s impression of the collisional...
The NASA/ESA Hubble Space Telescope has captured this vivid image of a barred spiral galaxy called NGC 3895.
This Hubble image shows the barred spiral...
Using data from ESA’s Copernicus Sentinel-2 mission and two field campaigns, a team of UK scientists has identified 1,679 blooms of Antarctic green snow...
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have found evidence for the most distant rotationally supported disk galaxy ever...
The NASA/ESA Hubble Space Telescope has captured a striking new photo of a dwarf irregular galaxy called ESO 461-036.
This Hubble image shows the isolated...
Officially classified C/2020 F8 (SWAN) but nicknamed comet SWAN, the new comet was first spotted in April 2020 by Australian amateur astronomer Michael...
Astronomers using ESA’s XMM-Newton and NASA’s Chandra X-ray observatories have observed a 3-million-light-year-long bridge of hot gas linking two unequal...
The NASA/ESA Hubble Space Telescope has taken a picture of a spiral galaxy called NGC 5861.
This Hubble image shows NGC 5861, an intermediate spiral galaxy...
Using data from the NASA/ESA Hubble Space Telescope, NASA’s Spitzer Space Telescope, and Magellan II Telescope at Las Campanas Observator in Chile, astronomers...
Multiwavelength observations from the NASA/ESA Hubble Space Telescope and Gemini Observatory combined with close-up views from NASA’s Juno spacecraft...
The NASA/ESA Hubble Space Telescope has produced an outstanding image of a barred spiral galaxy called NGC 3583.
This Hubble image shows the barred spiral...
Magnetic activity on the Sun leads to solar flares, coronal mass ejections, and other space weather that affects Earth. Similar activity on other stars...
New images from the NASA/ESA Hubble Space Telescope of the long-period comet C/2019 Y4 (ATLAS), taken on April 20 and 23, 2020, provide the sharpest views...
Professor Andrew King from the University of Leicester has shown that periodic X-ray eruptions from a galaxy called GSN 069 could result from the core...
Astronomers using the NASA/ESA Hubble Space Telescope have captured a striking new photo of the spiral galaxy NGC 4100.
This Hubble image shows a spiral...
In celebration of the 30th anniversary of the launch of the NASA/ESA Hubble Space Telescope, astronomers used the telescope to take a portrait of the giant...
Using the NASA/ESA Hubble Space Telescope and several ground-based telescopes, astronomers have been able to watch the long-period comet C/2019 Y4 (ATLAS)...
The directly-imaged massive exoplanet Fomalhaut b is actually a dispersing cloud of dust, produced by a catastrophic collision between two large planetesimals...
