Wood mice have larger ears. Australian parrots have bulkier bills. And the shifts are happening very quickly, researchers say.
By midcentury, 45% of electricity in the country could come from solar energy, according to a new government report.
More kids in the US have COVID-19 now than at any point in the pandemic.
A NASA astronaut captured a stunning view of the big storm churning in the Atlantic Ocean.
The Hubble successor will have to wait a little longer to taste space.
The White House set a Sept. 20 date for vaccine booster shots, but that's still pending approval. Now it looks like only a Pfizer booster could be available by then.
The overachieving chopper now has a baker's dozen flights under its rotors.
This big bad predator may have been the aquatic T-rex of its day.
The final survivor of this extinct species died in 1936, three years after this film was shot.
"This discovery changes the definition, itself, of white dwarfs."
Tabby or not tabby, that is the question.
Former NASA astronaut Jack Fischer shares some eye-opening videos that show how dramatic space travel can be.