NASA’s Curiosity rover has found evidence of a carbon cycle on ancient Mars, bringing scientists closer to an answer on whether the planet was ever capable...
A team of researchers at the Bayerisches Geoinstitut has conducted high-pressure-temperature laboratory experiments to determine the crystal structure...
Called ferrihydrite, this iron mineral formed during a cold, wet period on early Mars under oxidative conditions, followed by a transition to the current...
This supernova event likely occurred in the Upper Centaurus Lupus association, a group of massive stars approximately 457 light-years away from Earth.
Illustration...
Ultrahot Jupiters, an extreme class of planets not found in our Solar System, provide a unique window into atmospheric processes. Using four telescope...
Blue whales and other baleen whales, which filter seawater through their mouths to feed on small marine life, once teemed in Earth’s oceans. In the 20th...
Physicists at MIT have directly stimulated atoms in an antiferromagnetic material using a terahertz laser, a light source that oscillates more than a trillion...
Geological observations of Mars indicate a dense early atmosphere ranging from 0.25 to 4 bar of carbon dioxide. But 3.5 billion years ago, the Martian...
Komodo dragons (Varanus komodoensis) are the largest living predatory lizards and their serrated, curved and blade-shaped teeth make them valuable analogues...
The NASA/ESA/CSA James Webb Space Telescope has provided a stunning new view of the Crab Nebula, including the highest-quality infrared data yet available...
NGC 4151 is a spiral galaxy located some 62 million light-years away in the northern constellation of Canes Venatici.
This artist’s concept shows the...
The clouds of Venus are believed to be composed of sulfuric acid and minor constituents including iron-bearing compounds. Respective concentrations of...
Reconstructing the behavior of Earth’s magnetic field during archaeological periods is crucial for both achieving a better understanding of the field...
The rapid neutron capture process, or the so-called r-process, occurs in neutron-rich environments such as neutron star mergers or certain types of supernovae....
The oldest of these stars is 1.5 billion years old while the youngest is only 100 million years old, according to a paper published in the Astrophysical...
In humans, repeated encounters with a wide variety of stimuli can reactivate specific neurons to produce long-term memories. In new research, biologists...
Archaeologists have found four 1,900-year-old swords in a small cave located in an area of isolated and inaccessible cliffs north of the archaeological...
Ferroptosis, which is caused by a buildup of iron in cells, appears to be a major mechanism of white matter injury in Alzheimer’s disease and vascular...
The detection of the cosmogenic isotope aluminum-26; the concentrations of nickel, cobalt, germanium and gallium; and the presence of two minerals called...
