Three crew members returned to Earth aboard a Russian Soyuz spacecraft early Tuesday morning, completing an eight-month ...

Sci-fi television had undergone a pretty wild evolution in the 2000s. In the span of one decade, the genre went from feeling ...

Oxygen began entering Earth's oceans around 2.32 billion years ago, and shallow seas followed within a few million years.

The Geminids are peaking this weekend. Amateurs and experts regard the dazzling celestial display as one of the year’s best ...

Unlike most meteor showers, which come from icy comets, the Geminids originate from an unusual source: the rocky asteroid ...

USA Rare Earth rebounded by 12.13 percent on Thursday to finish at $18.77 apiece as investors cheered plans to accelerate the commercial production of its Round Top heavy rare earth deposit in Texas ...

LifeTracer is not a universal life detector. Rather, it provides a foundation for interpreting complex organic mixtures. The Bennu findings remind us that life-friendly chemistry may be widespread ...

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...

Astronomers detect strong evidence of an atmosphere on ultra-hot TOI-561 b, a low-density rocky planet circling a star older ...

Some 4.6 billion years ago, Earth was nothing like the gentle blue planet we know today. Frequent and violent celestial impacts churned its surface and interior into a seething ocean of magma—an ...

When the early Earth’s magma ocean crystallized 4.4 billion years ago, the deep mantle trapped an ocean’s worth of water, ...

Adrian Grenier is sharing how he turned his life around after years of focusing on sex, drugs and fame. In PEOPLE's exclusive ...