At a distance of about 1,400 parsecs (4,600 light-years), Cygnus OB2 is the closest massive young association to the Sun. It contains hundreds of massive stars as well as thousands of lower-mass stars ...

Astronomers using the NASA/ESA Hubble Space Telescope have made a unique timelapse of R Aquarii’s dynamic behavior from observations spanning from 2014 to 2023. Located 650 light-years away, R Aquarii ...

Paleontologists have found a fossilized jaw fragment and three isolated teeth from a new, relatively large (by Late Cretaceous standards) metatherian species in the layers of the Williams Fork ...

On Earth, solar radiation can transmit down to multiple meters within ice, depending on its optical properties. Organisms within ice can harness energy from photosynthetically active radiation while ...

In the study, University of Maryland paleontologist Thomas Holtz Jr. and his colleagues examined two-toed footprints produced by a small, bird-like microraptorine dinosaur moving at high speed.

WASP-49A is a faint Sun-like star discovered by the Wide Angle Search for Planets (WASP) in 2006. Also known as 2MASS 06042146-1657550, the star is located approximately 635 light-years away from ...

Dedicated to the Egyptian deity Khnum, the temple of Esna is one of the last examples of ancient Egyptian temple architecture. Only the vestibule, called the pronaos, of the original temple complex ...

The El Niño-Southern Oscillation, which is characterized by irregular alternations between anomalously warm (El Niño) and cold (La Niña) conditions, was present at least 250 million years in the past, ...

Two ecospecies of Helicobacter pylori — named ‘Hardy’ and ‘Ubiquitous’ — co-existed in the stomachs of modern humans since before they left Africa and were dispersed around the world by human ...

Marine biologists have identified a new species of the skate genus Leucoraja lurking in the depths of the Southwestern Indian Ocean. Members of the genus Leucoraja are small to medium-sized skates ...

Weighted blankets can help to improve sleep in adults with insomnia and other mental health conditions, including anxiety and depression, but results are mixed for children, according to a new review ...

Marine biologists have found adult tubeworms and other vent animals below the seafloor in the East Pacific Rise, a volcanically active, fast-spreading ridge with numerous hydrothermal vent fields. The ...