Four billion years ago, Earth was a chaotic, lifeless world — a fiery hell with spewing volcanoes and meteorite impacts dominating the landscape. The atmosphere was filled with noxious fumes from ...

Spring is dawning in the northern hemisphere, where most of the planet’s green land is situated. Trees are unfurling leaves ...

At the heart of most large galaxies, including our own Milky Way, lurks a supermassive black hole. These cosmic giants ...

The building blocks of life on Earth may have been fueled by tiny sparks hopping between water droplets.

NASA and SpaceX made another attempt on Friday to send a crew up to the International Space Station (ISS) and begin the ...

Dr. Frankenstein might not have needed a lightning bolt to bring his monster to life after all. A new study from Stanford ...

We may be starting to get a grasp on what kick-started life on Earth – and it could help us search for it on other planets ...

The research, conducted by scientists at Stanford University, demonstrates that when water droplets collide and form spray, ...

A new study reveals that Earth's biomes changed dramatically in the wake of mass volcanic eruptions 252 million years ago.

A Sun-Times photographer joined stargazers at Montrose Harbor as the Earth’s shadow began to move across the moon early ...

There was an opportunity Thursday night to catch the March 2025 "Blood Moon," a phenomenon that colors the full moon in ...

Nuclear pulse propulsion is a technology that would work. It was being developed in the 1960s but it was stopped because of ...