These toxin delivery systems are fully analogous to and often rival the complexity of venom delivery systems found in animals such as venomous snakes, scorpions and spiders. Toxinologists and other ...

Using the NIRCam and MIRI instruments onboard the NASA/ESA/CSA James Webb Space Telescope, astronomers have produced a high-resolution image of Herbig-Haro object 49/50 (HH 49/50), which is located ...

Proxima Centauri is a red dwarf star located about 4.24 light-years away in the constellation of Centaurus. Discovered in 1915 by Scottish astronomer Robert Innes, the star is not visible to the naked ...

Black holes may transition into white holes, ejecting matter and even time back into the Universe, according to a new study by physicists from the University of Sheffield and the Universidad ...

A cryptic new species of the honeyeater genus Myzomela has been described by an international team of ornithologists from Malaysia, India, the United Kingdom and the United States. Myzomela is the ...

The Lambda-CDM (ΛCDM) model has been the foundation of modern cosmology for some time now, successfully describing large-scale structures in the Universe. It proposes that 95% of the cosmos is ...

Pelage coloration, which serves numerous functions, is crucial to the evolution of behavior, physiology, and habitat preferences of mammals. However, little is known about the coloration of Mesozoic ...

Molecular signaling pathways are communication systems that transmit messages within and between cells. According to a new study by University of Geneva scientists, inhibiting one such system, called ...

Named Jeholia longchengi, the new species lived approximately 125 million years ago (Early Cretaceous epoch). The scorpion’s fossilized remains were recovered from dark gray mudstones of the Yixian ...

Organometallic molecules consist of a metal ion surrounded by a carbon-based framework. They are relatively common for early actinide elements like uranium but are scarcely known for later actinides.

“The Universe never ceases to amaze and surprise us,” said Dr. Arjun Dey, NOIRLab’s DESI Project Scientist and Mid-Scale Observatories’ associate director for strategic initiatives. “By revealing the ...

How lightning is started in thunderstorms is poorly known. With a newly-developed 3D mapping and polarization system, physicists at Los Alamos National Laboratory observed that some lightning flashes ...