Earth
- Climate
Sea ice around Antarctica shrinks to record low
Just two years after reaching a record high, the Antarctic sea ice extent has reached a new low.
- Health & Medicine
Cleaner water helps male fish again look and act like guys
Water pollution can give male fish female traits — such as the ability to make eggs. And that’s not a good thing. Better water treatment may prevent that, data now show.
- Oceans
Deep-sea mining could imperil rare, ghostlike octopus
A newly discovered octopus lays its eggs in a dangerous spot: where companies are looking to mine valuable metals for use in cell phones and computers.
- Fossils
What killed the dinosaurs?
New evidence is emerging that a devastating combo of events — an asteroid impact and supervolcanoes — may be behind the dinosaurs’ demise.
- Earth
Drilling into a dinosaur killer
An asteroid that hit the Earth 66 million years ago killed off the dinosaurs. Now scientists are drilling into the giant crater left behind.
- Oceans
Climate change could stall Atlantic ocean current
Rising carbon dioxide concentrations in Earth’s atmosphere could disrupt the Atlantic Ocean current after all, a new analysis finds.
- Earth
Meet our trashy ‘technosphere’
People are creating a layer of debris and disturbance called the technosphere. A new study estimates just how truly massive it is.
- Climate
Earth breaks heat record for third year straight
Climate change and heat from a strong El Niño played roles in making 2016 the hottest year on record.
- Archaeology
Cool Jobs: Hunting surprises in thinning glaciers
Meet three scientists who are tracking the meltdown of Earth’s glaciers. They share their adventures, predictions and unexpected discoveries.
- Health & Medicine
Extreme survival: Managing the deadly cold
Extreme cold can cause frostbite, hypothermia — even death. Knowing the risks can help keep you safe even when it’s freezing cold.
- Health & Medicine
Seven tips for staying safe in frigid weather
Maps? Check. Water? Check. Insulating clothes? Check. Here’s the checklist to consult before planning to trek out in the frigid cold.
- Oceans
Massive ice shelf is poised to break off of Antarctica
A fast-growing crack in Antarctica’s Larsen C ice shelf could soon release a truly huge hunk of ice into the ocean.
