Earth is the only planet known to have continents, although how they formed and evolved is unclear.
An artist’s concept of meteors impacting the ancient...
Several images of Jupiter and its moons as well as images and spectra of solar system asteroids from Webb’s commissioning period are now available on...
New research shows that the Martian meteorite Northwest Africa (NWA) 7034, known more commonly as ‘Black Beauty,’ was ejected between 5 and 10 milliom...
According to a new analysis of data from NASA’s Origins, Spectral Interpretation, Resource Identification, and Security-Regolith Explorer (OSIRIS-REx)...
The Atacama Large Millimeter/submillimeter Array located on the Chajnantor Plateau in Chile allowed the acquisition of temperature images of (16) Psyche,...
Gaia’s data release 3 (DR3) contains new and improved details for almost 2 billion stars in our Milky Way Galaxy as well as for a subset of solar system...
Planetary scientists from the ETH Zürich and elsewhere have determined palladium-silver (Pd-Ag) and platinum (Pt) isotope compositions of 13 iron meteorites...
Large and publicly available astronomical archives open up new possibilities to search for and study small solar system objects such as asteroids and comets.
A...
Using state-of-the-art analytical techniques, researchers have detected diverse suites of nucleobases — including canonical base pairs (e.g., adenine-uracil,...
Cubic zirconia from the 28-km- (17.4-mile) wide Mistastin Lake crater in Canada required >2,370 degrees Celsius melt, which is hottest recorded on Earth’s...
The debris cloud in the terrestrial zone of the 10-million-year-old star HD 166191 was created by a large impact involving objects of several hundred kilometers...
A small near-Earth asteroid called 2022 EB5 disintegrated over the Norwegian Sea just two hours after its discovery on March 11, 2022.
An artist’s impression...
Observations of an asteroid group indicate that they may have metal-rich surfaces, but those asteroids with measured densities are about half as dense...
Astronomers have discovered a third moon orbiting the main-belt asteroid (130) Elektra, making it the first quadruple asteroid ever found.
This image,...
2020 XL5 will be an Earth Trojan asteroid for at least 4,000 years, according to a paper published in the journal Nature Communications.
This composite...
Using a novel crater detection algorithm, which automatically counts the visible impact craters from a high-resolution image, a team of planetary researchers...
Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered a unique object of uncertain nature — possibly a disintegrating...
An analysis of the Hayabusa-2 sample of material returned to Earth from the carbon-rich, diamond-shaped, near-Earth asteroid Ryugu shows that the material...
About 66 million years ago, a 10-km-wide asteroid crashed into Earth near the site of the small town of Chicxulub in what is now Mexico. The impact unleashed...
The solar wind, comprised of solar particles largely made of hydrogen ions, created water on the surface of dust grains carried on asteroids that smashed...