Science is a subject built on doing. Students learn chemistry through titrations, biology through dissections, physics ...

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...

Uncover the story of Arizona’s most unique science museum, where giant installations, advanced tech, and unforgettable experiences await visitors of all ages.

An experiment to quantify the amount of the universe’s lightest element in Earth’s core suggests that the planet’s water has ...

When we eventually mine asteroids, humans and robots will not leave unprotected microbes on the surface. Instead, machines ...

A SpaceX Dragon cargo vehicle that has spent six months docked at the International Space Station is due to depart for a California landing.

Thermal controls within the sealed payload kept the chamber near 30 °C, allowing the pupa to complete metamorphosis. The ...

Biosphere 2, a massive indoor simulation of the Earth’s ecosystem in southern Arizona, is one of the most famous — and ...

Experiments reveal that unsaturated lipid membranes promote vesicle fusion and DNA retention during freeze–thaw cycles, highlighting icy environments as potential drivers of protocell evolution. Today ...

Scientists at MIT have found compelling chemical evidence that Earth’s earliest animals were likely ancient sea sponges. Hidden inside rocks over 541 million years old are rare molecular “fingerprints ...

(CNN) — Picture all of Earth’s oceans, which cover about 70% of the planet and are mostly made of hydrogen. Now multiply that by nine. That may be the amount of hydrogen in Earth’s core, possibly ...

Scientists have long known that Earth's core is mostly made of iron, but the density is not high enough for it to be pure ...