New science suggests why monkeys and other primates engage in same-sex relations

Considered one of the most important human skeletons ever found in North America, the Kennewick man sparked debate about the first inhabitants of the continent.

Fossils reveal dinosaurs were flourishing in diverse ecosystems right up until the asteroid impact ended their reign.

The 4-mile trek could begin as early as 7 a.m. EST (1200 GMT) on Saturday (Jan. 17).

A new map of the landscape beneath the continent's ice sheet reveals a previously undiscovered terrain.

Scientists uncover the genetic “off switches” that made humans lose their fur.

While exploring a quiet beach in northern Morocco, a team of scientists spotted what looked like ancient human footprints in the sand.

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts to collect Perseverance rover samples that could contain evidence of alien life.

Reliable predictions of how the Earth's climate will respond as atmospheric carbon dioxide levels increase are based on climate models. These models, in turn, are based on data from past geological times in which the CO2 content in the Earth's atmosphere chan…

We're closer to the Sun than we’ll be for the next 12 months. But instead of heatwaves, we get… snowstorms?

Scientists discovered that the brainless sea anemone build their bodies with a technique common in bilaterians... which is what humans are.

"It really shows how much we still have to learn about planets, even in our own solar system."

Earth's magnetic field dramatically flipped roughly 41,000 years ago.

A cooler, less dense area on the sun’s surface will likely disrupt Earth’s magnetic field, forecasters said.

Chair core exercises after 60, with expert guidance, to rebuild strength in 6 minutes, without floor planks.

We are fundamentally shifting our approach to securing our munitions supply chain."

3I/ATLAS is heading away from the sun on an escape trajectory from our solar system.

This Copernicus Sentinel-2 image over the South Atlantic Ocean features a close-up view of the A23a iceberg, once the world’s largest. The unusually cloud-free image shows the first signs that the iceberg will soon disintegrate completely.

Despite priding himself on understanding how to thrive as a middle-aged cyclist, Phil Cavell was perilously unaware of the 'shark' circling him – a heart condition hiding in plain sight

Science News: The Konya Basin in Central Anatolia, Turkey, is showing evidence of rapid ground sinking, while being part of a larger region that has been elevating .

A vibrant display of phytoplankton encircled the remote New Zealand islands.

The protein called intelectin-2 plays another important role by reinforcing the protective mucus layer that lines the digestive system. The body’s mucosal linings contain a range of protective molecules that help stop microbes from triggering inflammation or …

There’s an adage coined by [Ian Betteridge] that any headline ending in a question mark can be answered by the word “No”. However, Lorentz invariance – the theory that the same rules of physics app…

Spending time in the weightless environment of microgravity can have some dramatic effects on the human body, but scientists have recently discovered a new one that could help explain why some astronauts struggle to adjust after returning to Earth.