Ancient enzymes show life’s nitrogen signal stayed unchanged for billions of years, helping scientists read early Earth.

Living organisms share an ancestor called the last universal common ancestor, or LUCA. LUCA is estimated to have lived ...

The discovery is just the latest to come from the asteroid sample, which dates back to the dawn of the solar system.

The last common ancestor of all living things did not just suddenly appear on Earth roughly 4.2 billion years ago. Some of its genes came from an even older and more mysterious source… "While the last ...

As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was acquired during the planet’s formation.

Across the calm waters behind a pumping station near Lake Borgne, hundreds of saplings stand out in the mist, wrapped in white plastic cylinders. To get there and to other sites ...

People tend to have a fascination with the rich and famous. Whether you admire them or love to hate them, you’re probably at ...

Senate Democrats blocked a measure to fund the Department of Homeland Security as lawmakers remained locked in a standoff that could shut down the agency this weekend. The bill contained none of the ...

4. North Carolina expanded Medicaid two years ago. However, federal budget cuts now threaten the program due to a state “trigger law” that ends expansion if federal support drops below 90%. How would ...

After James Van Der Beek died on Feb. 11 at age 48, his friend Stacy Keibler posted a photo of the Dawson's Creek actor ...

Hollywood stars honor "Dawson's Creek" actor James Van Der Beek after cancer death. Sarah Michelle Gellar, Chad Michael ...