All in all, the 2021 study more than doubled the amount of groundwater thought to exist 1.2 to 6.2 miles beneath Earth's surface — from about 2 million cubic miles (8.5 million cubic km) to 4.9 ...

However, a 2021 NASA study found that the excess of incoming sunlight over outgoing radiation, known as Earth’s energy ...

Asteroid "2021 FO6" is expected to whiz by the Earth on March 27 at around 28,028 miles per hour. ... A stock image shows an asteroid approaching planet Earth over Florida.