Here’s some good news that should hit you in the gut. A team of scientists searching thousands of environments for bacteria that produce the deadly neurotoxin methylmercury discovered none living in one environment dear to us all: the human gut.
A small Ontario company is putting together one of the most complete T. rex ever found. It will be on display at the Smithsonian.
A word to the wise: don’t ask a paleontologist to pick a favorite fossil. It’s like asking your mother which child she loves most, or asking a baseball slugger to choose his favorite bat.
The bright stripes and bristles of this skipper butterfly caterpillar, Pyrrhopyge thericles warn predators that it packs a toxic punch, thanks to an exclusive diet of toxic plants of the genus Vismia.
Astronaut Eugene Cernan took this sequence depicting the North Massif and two lobes of the Lee-Lincoln scarp, visible as rounded mounds in the foreground of the pictures.
Earth’s first multicellular creatures had soft bodies. This illustration shows a community of Ediacaran biota, some of which resemble living ocean creatures.
Huge old ash tree (Flickr photo by spodzone) In a study published Sept. 28 in the journal Nature Plants, a team led by Smithsonian Conservation Biology Institute scientists found that bigger trees suffer the most during droughts, regardless of location or forest type.
A flathead catfish. (U.S. Fish and Wildlife Service photo) DNA analysis is proving to be a valuable tool for scientists trying to gauge the environmental impact that invasive blue catfish (Ictalurus furcatus) and flathead catfish (Pylodictis olivaris) are having on native populations of fish in eastern Virginia waterways.
The giant star Zeta Ophiuchi is having a “shocking” effect on the surrounding dust clouds in this infrared image from NASAs Spitzer Space Telescope.
Island Scrub-Jay, Santa Cruz Island, Calif. (Photo by Aaron Maizlish) California’s Channel Islands are located dozens of miles west of the state’s coast and surrounded by Pacific waters, yet they too are experiencing the same severe drought as the rest of the state.
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Desert horned lizard, Joshua Tree National Park (Photo by Stacy Manson/National Park Service) The Mojave Desert and Death Valley are among the hottest, driest places in North America.
The National Air and Space Museum is asking Star Trek fans to search their memory banks for firsthand, pre-1976 images or film of the original studio model of the USS Enterprise.
Reintroduced to areas of Mongolia and China in 2001 after being declared extinct in the wild decades earlier, researchers studied Przewalski’s horse interactions with the more abundant khulan to better understand their ecology and habitat requirements.
A specimen of the newly described “Burumoseria yuae,” dorsal view, collected in Taiwan. Nausea, vomiting, diarrhea and weakness are but a few of the symptoms one might anticipate after eating leaves from the Taiwanese shrub Erycibe henryi.
An artistic reconstruction of “Isthminia panamensis,” a new fossil dolphin from Panama, feeding on a flatfish.
High resolution image of Messier 43 taken with the 6.5 meter Magellan telescope in Chile and the MMIRS, which sees into the near-infrared spectrum.
In this theoretical artist’s conception of the Milky Way galaxy, transluscent green “bubbles” mark areas where life has spread beyond its home system to create cosmic oases, a process called panspermia.
Arachnophobes fearful of spiders jumping, creeping or falling into their beds now have something new to worry about. Some spiders might also glide in through the window.