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 ...

Archaeologists from the University of Granada say they have uncovered the remnants of the ancient Roman forum in Ubrique, Andalusia, Spain. “The main objective of the excavation was to confirm the ...

Gliese 229B was the first known brown dwarf, discovered in 1995. In new research, astronomers observed Gliese 229 B with the GRAVITY interferometer and, separately, the CRIRES+ spectrograph at ESO’s ...

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 ...

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 ...

Emiliasaura alessandrii lived in what is now Patagonia during the Valanginian age of the Early Cretaceous epoch, some 138 million years ago. “Knowing Early Cretaceous dinosaurs is critical for gaining ...

The well-studied V404 Cygni, an X-ray binary hosting a low-mass black hole, is part of a wide hierarchical triple with a tertiary companion at least 3,500 astronomical units (AU) away from the inner ...

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 ...

Quaestio simpsonorum is one of more than 100 multicellular organisms from the Ediacaran period (635 to 538 million years ago), when the first complex, macroscopic animals emerged on Earth. This ...

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 ...

New research shows that approximately 70% of meteorites originate from at least three recent break-ups of massive asteroids. A class of meteorites called ordinary chondrites make up around 80% of ...