Science

FILE - In this Feb. 10, 2020, file photo, a series of greenhouses are pictured at the University of Nevada, Reno, where a rare desert wildflower is growing. The U.S. Fish and Wildlife Service says there's enough scientific evidence that two rare plants in Nevada's desert could go extinct to warrant a year-long review of whether to list them as U.S. endangered species, including one at the center of a fight over a proposed lithium mine. (AP Photo/Scott Sonner, File)
July 24, 2020 - 1:21 am
RENO, Nev. (AP) — The U.S. Fish and Wildlife Service says there’s enough scientific evidence that two rare plants in Nevada’s desert could go extinct to warrant a year-long review of whether to list them as endangered species, including one at the center of a fight over a proposed lithium mine...
Read More
In this photo released by China's Xinhua News Agency, a Long March-5 rocket carrying the Tianwen-1 Mars probe lifts off from the Wenchang Space Launch Center in southern China's Hainan Province, Thursday, July 23, 2020. China launched its most ambitious Mars mission yet on Thursday in a bold attempt to join the United States in successfully landing a spacecraft on the red planet. (Cai Yang/Xinhua via AP)
July 23, 2020 - 11:29 am
BEIJING (AP) — China launched its most ambitious Mars mission yet on Thursday in a bold attempt to join the United States in successfully landing a spacecraft on the red planet. Engines blazing orange, a Long March-5 rocket took off under clear skies from Hainan Island, south of China's mainland,...
Read More
This photo provided by the U.S. Fish and Wildlife Service shows an Arctic grayling captured in a U.S. Fish and Wildlife Service fish trap at Red Rock Lakes National Wildlife Refuge near Lima, Montana. U.S. wildlife officials have rejected federal protections for the rare, freshwater fish species at the center of a long-running legal dispute. The decision, on Wednesday, July 22, 2020, comes almost two years after a federal appeals court faulted the U.S. Fish and Wildlife Service for dismissing the threat that climate change and other pressures pose to Arctic grayling. (Jim Mogen/U.S. Fish and Wildlife Service via AP)
July 22, 2020 - 7:14 pm
BILLINGS, Mont. (AP) — U.S. wildlife officials on Wednesday rejected special protections for a rare, freshwater fish related to salmon that's been at the center of a long-running legal dispute, citing conservation efforts that officials say have increased Arctic grayling numbers in a Montana river...
Read More
Headlights from a line of cars shine at dusk as people evacuate the Spit in Homer, Alaska, following a powerful earthquake in the Aleutian Islands that prompted a tsunami warning. There were no immediate reports of damage in the sparsely populated area of the state, and the tsunami warning was later canceled. (Pat Williams Russell via AP)
July 22, 2020 - 4:14 pm
ANCHORAGE, Alaska (AP) — A powerful earthquake off Alaska’s southern coast shook sparsely populated coastal communities late Tuesday and prompted some residents to briefly flee to higher ground because of tsunami fears. There were no immediate reports of damage in the Alaska Peninsula and the...
Read More
This undated photo provided by Ciprian Ardelean in July 2020 shows a stone tool found below the Last Glacial Maximum layer from a cave in Zacatecas, central Mexico. Artifacts from the cave suggest people were living in North America much earlier than most scientists think. Researchers reported Wednesday, July 22, 2020, that the tools date to as early as 26,500 years ago, about 10,000 years before the generally accepted date for the earliest human presence in North America. (Ciprian Ardelean via AP)
July 22, 2020 - 11:09 am
NEW YORK (AP) — Stone tools found in a Mexican cave suggest that people were living in North America as early as about 26,500 years ago, much earlier than most scientists accept, a new study says. It’s a new step in the difficult and contentious process of establishing when people arrived in North...
Read More
This image made available by the European Southern Observatory in July 2020 shows the star TYC 8998-760-1, upper left, and two giant exoplanets. The image was captured by blocking the light from the young, Sun-like star, allowing for the fainter planets to be detected. The system is about 300 light-years away from Earth. (Bohn et al./ESO via AP)
July 22, 2020 - 9:07 am
CAPE CANAVERAL, Fla. (AP) — For the first time, a telescope has captured a family portrait of another solar system with not just one, but two planets posing directly for the cameras while orbiting a star like our sun. This baby sun and its two giant gas planets are fairly close by galactic...
Read More
This photo provided by NASA shows astronauts Bob Behnken and Chris Cassidy on a spacewalk outside of the International Space Station on Tuesday, July 21, 2020. The astronauts are on their fourth and final spacewalk in under a month and instead of swapping batteries, they'll be routing cables and hooking up a tool storage chest. (NASA via AP)
July 21, 2020 - 1:16 pm
CAPE CANAVERAL, Fla. (AP) — Astronauts squeezed in one last spacewalk Tuesday before turning their attention to the all-important end to SpaceX’s first crew flight. Making their fourth and final spacewalk in under a month, NASA’s Bob Behnken and Chris Cassidy whipped through a variety of...
Read More
AP Illustration/Peter Hamlin;
July 21, 2020 - 3:32 am
Is it safe to go to the gym during the coronavirus pandemic? It depends on where you live and the precautions you and the gym take. If cases of COVID-19 are poorly controlled where you live, experts say it’s best to stay away. But if you live in an area where the spread is being contained, there...
Read More
Wealthier neighborhoods can claim a greater share of pollution primarily because they have larger homes.
July 20, 2020 - 3:46 pm
Rich Americans produce nearly 25% more heat-trapping gases than poorer people at home, according to a comprehensive study of U.S. residential carbon footprints. Scientists studied 93 million housing units in the nation to analyze how much greenhouse gases are being spewed in different locations and...
Read More
In this handout photo released by the University of Oxford a doctor takes blood samples for use in a coronavirus vaccine trial in Oxford, England, Thursday June 25, 2020. Scientists at Oxford University say their experimental coronavirus vaccine has been shown in an early trial to prompt a protective immune response in hundreds of people who got the shot. In research published Monday July 20, 2020 in the journal Lancet, scientists said that they found their experimental COVID-19 vaccine produced a dual immune response in people aged 18 to 55. British researchers first began testing the vaccine in April in about 1,000 people, half of whom got the experimental vaccine. (John Cairns, University of Oxford via AP)
July 20, 2020 - 11:37 am
LONDON (AP) — Scientists at Oxford University say their experimental coronavirus vaccine has been shown in an early trial to prompt a protective immune response in hundreds of people who got the shot. British researchers first began testing the vaccine in April in about 1,000 people, half of whom...
Read More

Pages