Climate change alters cast of winter birds
Over the past two decades, the resident communities of birds that attend eastern North America’s backyard bird feeders in winter have…
The Encyclopedia of Science's Frontier
Over the past two decades, the resident communities of birds that attend eastern North America’s backyard bird feeders in winter have…
Small red stars, known by astronomers as “M-dwarfs”, are the most abundant type of star in the sky and are also the most long-lived of…
The evolution of worms, insects, vertebrates and other “bilateral” animals — those with distinct left and right sides…
You might expect that a term like “monsoon” has an agreed definition and that scientists can explain when it starts and ends. Defining…
How this wrist bone development happened has been the subject of much debate, with substantial disagreement between developmental…
New findings by scientists at the University of California, Santa Cruz, suggest that an evolutionary arms race between rival elements within…
Massive galaxies in the Universe have stopped making their own stars and are instead snacking on nearby galaxies, according to research by…
As scientists catalog the trillions of bacteria found in every nook and cranny of the human body, a new look by the University of Michigan…
Astronomers using data from the NASA/ESA Hubble Space Telescope, the Spitzer Space Telescope, and the Kepler Space Telescope have discovered…
The first comprehensive map of hummingbirds’ 22-million-year-old family tree — reconstructed based on careful analysis of 284 of…