Rare 3.8-million-year-old skull reveals the face of Lucy’s ancestor, gives insight into early man
A 3.8 million year old skull from Africa is giving researchers a peek into humanity’s evolutionary history, a new study suggests.
Doyle Rice, USA TODAY
The hurricane season has been rather quiet so far. Will it last?
The last time that we’ve gone from July 15 through August 19 with no named storms in the Atlantic was 1982.
What the hail? Colorado sets state record for biggest hailstone
A hailstone that crashed to Earth near Bethune, Colorado, on Tuesday is the largest ever recorded in the state. It was measured at 4.83 inches in diameter.
Trump administration overhauls Endangered Species Act as critics fear animal extinction
The Trump administration finalized major changes Monday to the way it enforces the landmark Endangered Species Act.
It will be 90 degrees or warmer for nearly 90% of Americans this week
At least 290 million people will swelter through the hottest weather of the summer as a record-breaking heat wave bakes the central and eastern U.S.
'Breaking' the heat index: US heat waves to skyrocket as globe warms, study suggests
As the globe warms in the years ahead, days with extreme heat are forecast to skyrocket across hundreds of U.S. cities, a study suggests.
Tropical depression forecast to form in Gulf of Mexico this week, could strengthen into hurricane
After several quiet weeks, a tropical system could form within the next few days in the Gulf of Mexico, the National Hurricane Center said.
Earth's carbon dioxide levels are highest they've been in millions of years
Carbon dioxide – the gas scientists say is most responsible for global warming – peaked again at record levels last month, scientists announced.
Forget the 'Polar Vortex.' Here comes the 'Death Ridge' and record heat for the Southeast
A blistering, dangerous heat wave, which one expert calls a “death ridge,” is poised to scorch the southeastern U.S. over the Memorial Day weekend.
The moon is shrinking and quaking. Is this something to worry about?
Scientists Monday gave us the unsettling news that our favorite natural satellite, the moon, is shrinking, according to a study.