While Earth's slowdown is not noticeable on human timescales, it's enough to work significant changes over eons. One of those ...

Earth and Mars are mysteriously low in elements like copper and zinc, which are crucial for planetary chemistry and potentially life. A new study overturns old theories by showing that these elements ...

He wasn't wrong—the sun is 99.8 percent of the mass of the solar system. But what is that giant ball of fire in the sky? How ...

Within the annual worldwide celebrations of Earth Day every April 22, there’s always a bit of sadness and, maybe, even fear.

A giant sequoia located in Sequoia National Park in California, the General Sherman is 52,500 feet in volume and is more than ...