Cyanobacteria, as they still exist today, were the first organisms to carry out photosynthesis and release oxygen. Produced in primeval oceans about 2.5 billion years ago, this oxygen accumulated in ...

Researchers have detected measurable traces left in the upper atmosphere when a rocket stage burns up, finding about ten times more lithium atoms than normal at around 96 kilometres, roughly 20 hours ...

Add Yahoo as a preferred source to see more of our stories on Google. The Moon has no real atmosphere, but Earth has, in a sense, been generously trying to share its own for billions of years. A new ...

Life on Earth may have learned to breathe oxygen long before oxygen filled the skies. MIT researchers traced a key ...

Here’s what you’ll learn when you read this story: It used to be thought that there were more volatiles than expected in lunar soil because they escaped Earth before it had a stable magnetic field.

ST. LOUIS – From monstrous tsunamis to building-shattering earthquakes to flood-inducing downpours, mother nature is a force to be reckoned with. We’re all tired of this extreme weather here on Earth ...

A European company that seeks to develop orbital spacecraft for cargo, and eventually humans, took a step forward this week with a test flight that saw its “Mission Possible” vehicle power up and fly ...

When part of a SpaceX rocket re-entered Earth's atmosphere exactly a year ago, it created a spectacuglar fireball that ...

Tiny bits of Earth’s atmosphere have been drifting to the moon for billions of years, guided by Earth’s magnetic field. Rather than blocking particles, the magnetic field can funnel them along ...

Researchers investigated the Mesozoic Era's atmosphere and vegetation by studying oxygen isotopes in dinosaur tooth enamel. This is a replica of a Stan™ T. rex tooth. Photograph: Thomas Tütken.