Glycine and other amino acids form in dense interstellar clouds well before they transform into new stars and planets, suggests a new study led by researchers...
A team of astronomers from Northern Arizona University and Lowell Observatory has discovered cometary activity on 2014 OG392, a distant centaur object...
If the atmosphere of Venus was at any point thin and similar to Earth’s, then ancient asteroid impacts transferred potentially detectable amounts of...
Using data from several instruments aboard ESA’s Rosetta mission, researchers have found evidence of far-ultraviolet aurora on comet 67P/Churyumov-Gerasimenko.
This...
A new analysis of data gathered by the CONSERT (Comet Nucleus Sounding Experiment by Radio wave Transmission) instrument, a radar onboard ESA’s Rosetta...
New images of comet NEOWISE (C/2020 F3) show rapidly expanding spiral features in its coma produced by the rotation of its 5-km (3-mile) wide nucleus.
These...
A new image from the NASA/ESA Hubble Space Telescope shows the coma of comet C/2020 F3 (NEOWISE) and its dusty output.
This image of comet C/2020 F3 (NEOWISE)...
‘Oumuamua, a recently-discovered cigar-shaped object of extrasolar origin, is not made of molecular hydrogen ice after all, according to a new study...
NASA’s Parker Solar Probe has captured unique images of comet C/2020 F3 (NEOWISE) and its two tails.
This image from the WISPR instrument on board NASA’s...
Comet C/2020 F3 (NEOWISE), a recently-discovered visitor from distant parts of our Solar System, is putting on a spectacular nighttime display.
This image...
Fragments of an exploding short-period comet may have caused destruction of the Paleolithic settlement at Abu Hureyra in northern Syria about 12,800 years...
The ESA/NASA Solar and Heliospheric Observatory (SOHO) detected its 4,000th comet on June 15, 2020.
SOHO-4000 is seen here in an image from the SOHO alongside...
In a paper to be published in the Astrophysical Journal Letters, astronomers from the University of Chicago and Yale University show that the odd properties...
A 10-km asteroid crashed into Earth near the site of the small town of Chicxulub in Mexico at the end of the Cretaceous period, about 66 million years...
2019 LD2 is the first known Jupiter trojan asteroid to display cometary activity with a visible coma and tail, according to a team of astronomers from...
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 NASA’s Neil Gehrels Swift Observatory have tracked water loss from 2I/Borisov, the first known interstellar comet to visit our Solar...
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...
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)...
Comets spend most of their lives at large distances from any star, during which time their interior compositions remain relatively unaltered. Cometary...
