Around 12,800 years ago, Earth collided with fragments of a disintegrating comet, triggering Younger Dryas climate change; this event created environmental...
The new observations from the Near-Infrared Spectrograph (NIRSpec) aboard the NASA/ESA/CSA James Webb Space Telescope show that the main-belt comet 238P/Read...
The previously unreconciled acceleration of 1I/2017 U1 ‘Oumuamua, a strange object of extrasolar origin discovered on October 19, 2017 by the Pan-STARRS...
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have detected gaseous water in the planet-forming disk around V883 Orionis, a...
Astronomers with the SKYSURF project have searched through 200,000 archival images from the NASA/ESA Hubble Space Telescope and made tens of thousands...
About 66 million years ago, a massive asteroid crashed into Earth near the site of the small town of Chicxulub in what is now Mexico. This impact coincides...
About 66 million years ago, a massive asteroid crashed into Earth near the site of the small town of Chicxulub in what is now Mexico. The impact eradicated...
New research led by Curtin University geologists suggests that regions of space with dense interstellar clouds may send more high-energy comets crashing...
Using data from NASA’s Transiting Exoplanet Survey Satellite (TESS), a team of astronomers from Ukraine has detected the transits of five comets around...
The estimated diameter of the nucleus of comet C/2014 UN271 (Bernardinelli-Bernstein) is approximately 137 km (85 miles) across, making it the largest...
The discovery probability of long-period comets passing near the Sun is highest during their first passage and then declines, or fades, during subsequent...
Archaeologists have found meteorites, microspherules, iridium and platinum anomalies, and burned charcoal-rich habitation surfaces at 11 archaeological...
When C/2021 A1 (Leonard), a recently-discovered long-period comet about 1 km wide, makes its closest pass of the Sun on January 3, 2022, it will be a journey...
Comet C/2014 UN271 Bernardinelli-Bernstein, the largest comet ever discovered, was already exhibiting coma at heliocentric distances 23.8 and 21.2 AU,...
According to a study published in the journal Geology, samples of glassy slabs found in the Atacama Desert, northern Chile, contain tiny fragments with...
(248370) 2005 QN137 is the eighth main-belt asteroid, out of more than half a million asteroids in the main belt, confirmed to not only be active, but...
Archaeologists have found evidence that in 1650 BCE (Middle Bronze Age), a cosmic airburst destroyed Tall el-Hammam, an ancient walled city in the Jordan...
The near-Sun comet C/2019 Y4 (ATLAS) is the first member of a long-period comet group observed to disintegrate well before its closest approach to the...
On July 14, 2021, the Subaru-Asahi Sky Camera on the 8.2-m Subaru Telescope at the summit of Maunakea, Hawai’i, captured a rare meteor outburst associated...
The long-period comet C/2019 Y4 (ATLAS) fragmented during its perihelion in April 2020. About two months later, ESA’s Solar Orbiter observed the dusty...
