Most foods leave a mark on the environment, but farmed...

Lower levels of everyday air pollution are linked to sharper...

Hydrogen in the atmosphere has climbed about 60 percent since...

Something unexpected is going on in Saturn’s upper atmosphere -...

Astronomers have flagged a stealthy class of space rocks that...

Two small, misshapen galaxies are wandering together on the outskirts...

Each autumn, young European robins set off on their first...

Imagine the Sun as a giant, boiling magnet that breathes...

Liquid carbon has kept physicists guessing for decades. It forms...

Offshore wind farms promise clean power, but their cables may...

Tiny pieces of natural glass found in South Australia carry...