One thing geology teaches us about is the existence of another monumental event in the history of Earth, 2.4 billion years ...

New research from Portland State University focused on identifying signs of life—biosignatures—in extreme environments here ...

Scientists have helped to construct a detailed timeline for bacterial evolution, suggesting some bacteria used oxygen long before evolving the ability to produce it through photosynthesis.

Life needs sufficient phosphorus. However, the element is scarce, not only today but also at the time of the origin of life. So where was there sufficient phosphorus four billion years ago for life to ...

ROME (AP) — Pope Francis returned home to the Vatican on Sunday after he was hospitalized for five weeks with a life-threatening bout of pneumonia. *Billed as $4 plus GST every four weeks.

This high-speed movement slightly bends time, making it pass marginally slower for astronauts compared to those on Earth. The effect is so tiny that it’s barely noticeable in everyday life—but over ...

Here's a timeline of key dates since the ceasefire deal was signed: Jan. 15 Negotiators reach a deal for a ceasefire between Israel and Hamas after 15 months of conflict. The three-phased deal ...

It’s a chance to realign all of DC’s sprawling continuity into one master timeline, and to be joined by some of comics’ greatest artists to make it shine. With new information for even ...

It was my family, friends and colleagues living in places I could see as I looked down on Earth who I remembered. Being in space reset my life priorities, and that has remained with me ever since.' ...

The origin of life on Earth is one of science’s biggest questions, and previous theories have suggested that lightning may have played a role. While previous studies say volcanic or atmospheric ...

A new documentary is causing a stir by asserting the presence of alien life on Earth and claiming a US government effort to hide information on possible extraterrestrial activity. New findings ...

U.S. astronauts Suni Williams and Butch Wilmore's next mission will be readjusting to the Earth's environment once they return Tuesday evening after being stranded at the International Space ...