Hale-Bopp originated in the Oort Cloud, a theoretical shell of icy planetesimals surrounding the sun in the outer reaches of ...

Interstellar dust like that seen in the Carina Nebula may have supplied some of Earth's amino acids. Earlier studies have revealed high concentrations of these organic materials in asteroids and ...

About 4.6 billion years ago, the Solar System formed from a cloud of dust and gas collapsing in on itself due to gravity. The Sun, planets, and eventually Earth formed out of the cloud. But when did ...

"We are really trying to understand how far we can go, chemically, toward larger biological molecules and what environments are needed to form them." Researchers have created a "fingerprint" of a ...

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 ...

An international team of researchers has published a report on how Mars samples should be handled from a scientific point of ...

Study warns that humans may be driving Earth toward a sixth mass extinction. The research shows species loss, but the future ...

New experimental work demonstrates that large quantities of water are created as a natural consequence of planet formation.

Mars is an inhospitable desert planet. Billions of years ago, things were different. In Jezero Crater, for example, fed by a ...

Our galaxy's most abundant type of planet could be rich in liquid water due to formative interactions between magma oceans ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The scientific community is largely divided into two camps regarding ...