About 4.5 billion years ago, a colossal impact...

A new isotopic study reveals that Theia-the Mars-sized body that struck Earth 4.5 billion years ago to form the Moon-likely originated in the inner...

A new isotopic study reveals that Theia-the Mars-sized body that struck Earth 4.5 billion years ago to form the Moon-likely originated in the inner...

Scientists have uncovered new chemical clues that life existed on Earth more than 3.3 billion years ago—much earlier than many previous estimates....

Scientists have uncovered new chemical clues that life existed on Earth more than 3.3 billion years ago—much earlier than many previous estimates....

Scientists have uncovered chemical evidence of life in 3.3-billion-year-old rocks from South Africa, offering some of the earliest signs of living...

Scientists have uncovered chemical evidence of life in 3.3-billion-year-old rocks from South Africa, offering some of the earliest signs of living...

Scientists have discovered living, methane-producing microbes deep inside a massive meteorite impact crater in Sweden, and the find could change the...

Scientists have discovered living, methane-producing microbes deep inside a massive meteorite impact crater in Sweden, and the find could change the...

The Moon has always held a certain mystery, from influencing tides to inspiring mythology, poetry and scientific inquiry. For decades, astronomers...