Scientists are scouring coronavirus samples for clues of the omicron variant. The U.S. is in a better position now than it was earlier to find the variant, but some part of the country may struggle.
Scientists may not know for a couple weeks yet how risky the new coronavirus variant will be to public health. But getting out front now about what is known helps dispel misinformation, they say.
A new look at nearly 3.7 million-year-old fossil footprints uncovered in Tanzania shows that multiple species of early humans lived together at the same time.
How did this new strain of the novel coronavirus evolve? Researchers are investigating various possibilities. One leading theory involves ... just one person.
Protein subunit vaccines work by injecting people with a tiny portion of a virus. In the case of the COVID-19 vaccine, that tiny portion is the spike protein that the coronavirus uses to enter cells.
Xenobots, a type of programmable organism made from frog cells, can replicate by spontaneously sweeping up loose stem cells, researchers say. This could have implications for regenerative medicine.
The roughly 2,000-mile journey took the rhinos to their new home in Akagera National Park, where advocates hope the animals will be able to establish a new breeding stronghold and evade poachers.
A study of trees in dozens of cities found that urban heat and light pollution are pushing urban trees to sprout leaves about a week earlier than trees in more rural settings.