Blood vessels were able to function better during mental stress when people were given a cocoa drink containing high levels of flavanols than when drinking...
An international team of archaeologists has found evidence of complex symbolic and technological behaviors at Ga-Mohana Hill in the Northern Cape, South...
Researchers have found meteoritic spherules on top of Walnumfjellet in the Sør Rondane Mountains, Antarctica.
The breakup of a giant asteroid in the main...
Uranus, the seventh planet from the Sun, and its ring system appear to mainly produce X-ray emission by scattering solar X-rays, but some may also come...
A 54-km- (33.5-mile) diameter Noachian-aged crater with neither inlet nor outlet channels is distinct from previously documented crater basin lakes on...
A new genus and species of furileusaurian (stiff-backed lizard) abelisaurid dinosaur being named Llukalkan aliocranianus has been discovered by a team...
A team of researchers from the Pennsylvania State University and elsewhere has developed a stretchable antenna and rectenna system that harvests energy...
Two teams of astronomers have performed polarimetric observations of 2I/Borisov, the first active extrasolar comet ever detected in our Solar System, using...
In a new study led by scientists from the University of Texas Southwestern Medical Center, aerobic exercise training reduced central arterial stiffness...
Planetary scientists using data from the Ultraviolet Spectrograph (UVS) aboard NASA’s Juno spacecraft have discovered expanding emission circles of ultraviolet...
A gravitationally lensed gamma-ray burst, designated GRB 950830, helped astronomers detect a black hole about 55,000 times more massive than the Sun.
An...
Odontoblasts, cells that form dentin, the shell beneath the tooth’s enamel that encases the soft dental pulp containing nerves and blood vessels, contain...
Ornithologists from the United States, Brazil and Finland have described two new species of the owl genus Megascops from the Amazon and Atlantic forests.
The...
Biologists have analyzed T cells from the gray short-tailed opossum (Monodelphis domestica) and uncovered a previously unknown lineage, called γµ T cells,...
Archaeologists have examined the remains of houses in Uxbenká and Ix Kuku’il, two medium size, peripheral Classic Maya (250-900 CE) polities located...
In a new study, published this week in the journal iScience, a team of researchers showed that Brazil reef octopuses (Octopus insularis) have two different...
A novel theory proposed by planetary scientists from Caltech and NASA’s Jet Propulsion Laboratory challenges the current thinking that the saltwater...
The silverleaf whitefly (Bemisia tabaci) incorporated a gene called BtPMaT1 from plants into its genome roughly 35 million years ago and now uses it to...
Paleontologists from Flinders University have examined the brains of four species of extinct giant mihirungs (dromornithid birds): Ilbandornis woodburnei...
