Using NASA’s Transiting Exoplanet Survey Satellite (TESS), astronomers have spotted an Earth-sized planet transiting the young Sun-like star HD 63433.
HD...
The NASA/ESA Hubble Space Telescope has taken a new picture of the relatively small galaxy UGC 5189A, which is found in the constellation of Leo.
This...
The discovery of Tyrannosaurus mcraeensis, a sister species of the famous Tyrannosaurus rex, suggests that tyrannosaurid dinosaurs originated on Laramidia,...
Astronomers using the NASA/ESA Hubble Space Telescope have detected massive cyclones and other dynamic weather activity swirling on WASP-121b, an ultrahot-Jupiter...
Paleontologists in Argentina have found fossil fragments from a new genus and species of rebbachisaurid sauropod dinosaur that walked the Earth more than...
The clouds of Venus are believed to be composed of sulfuric acid and minor constituents including iron-bearing compounds. Respective concentrations of...
Titan, the largest moon of Saturn, has a unique atmosphere that transforms simple gases like methane and nitrogen into more complex organic compounds....
This cosmic encounter is known as Arp 122 and is seen here as imaged by the NASA/ESA Hubble Space Telescope.
Two spiral galaxies, NGC 6040 and NGC 6039,...
At more than 50 cm (20 inches) in height, the remarkable new species Cyathophycus balori is the largest known member of its genus Cyathophycus, and one...
The earliest known evidence of photosynthetic structures has been identified inside a collection of the enigmatic cylindrical microfossils Navifusa majensis...
Paleontologists have described a new genus and species of small polycotylid plesiosaur from two specimens found in Wyoming and South Dakota in the United...
A huge, naked figure called Cerne Giant was cut into a Dorset hillside not, as many have supposed, in prehistory, nor in the early modern period, but in...
Neutron-star cores contain matter at the highest densities in our Universe. This highly compressed matter may undergo a phase transition where nuclear...
There are more than 200 moons in our Solar System, but their relatively small sizes make similarly sized extrasolar moons (exomoons) very hard to detect...
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have observed a disk bending wave in BRI 1335-0417, the oldest known spiral galaxy...
Paleontologists from China and Brazil have identified a new species of chaoyangopterid pterosaur from two specimens, one of which is the most complete...
A new species of the extinct land snail genus Ferussina has been identified from a complete specimen found in Hațeg Basin, Romania.
An artistic reconstruction...
Astronomical observations show that polycyclic aromatic hydrocarbons (PAHs) are abundant and widespread in the interstellar medium. PAH molecules consist...
