The appearance of oxygen in Earth's atmosphere was a turning point in the history of our planet, forever transforming the ...

Our readers agree that in the unlikely event you were able to approach a neutron star, it would look very smooth and bright ...

About 4. 6 billion years ago, the Solar System formed from a cloud of dust and gas collapsing in on itself due to gravity.

Concentrated hydrogen in the galaxy’s spiral arms can be locked away in zircon crystals, providing startling clues about the ...

Scientists have shown that Earth’s basic chemistry solidified within just three million years of the Solar System’s formation. Initially, the planet was barren and inhospitable, missing water and ...

The NASA/ESA/CSA James Webb Space Telescope has provided the first direct measurements of the chemical and physical ...

A new peer-reviewed study finds that early planet formations were assembled from fragments of earlier bodies within the Solar System.

Changes in rock formations from before and after the mass extinction event 66 million years ago may reflect how dinosaurs ...

It lights our sky and shapes our tides — but the Moon’s real story is stranger than fiction. From its impossible age to the ...

Rock layers deposited before and after the major dinosaur extinction event 65 million years ago are surprisingly different.

Astronaut Don Pettit, who is known for blending science with visual storytelling, recorded the scene during his current ...

Scientists found that carbon enabled Earth’s core to solidify. Without it, the inner core may not exist. A team of scientists ...