EarthSky Voices
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How polar vortex blasts are tied to global warming

How could global warming be bringing the life-threatening cold to the central US this week? Scientists don’t have all the answers, but, they say, the jet stream is the link.

Moon craters reveal Earth’s history

Most scientists believe the moon and Earth have been bombarded by meteorites at a constant rate for the past few billion years. New research suggests that – in the past 300 million years – it’s been happening 2 to 3 times more frequently.

Front view of a squirrel covered in snow

Is winter miserable for wildlife?

Ever wonder if the animals you see outside your window in winter are doing OK? Don’t worry – they’re doing better out there than you would.

Illustration of an astronaut floating in a dark sky with a dark blue whirlpool in the background.

Rotating black holes as portals for hyperspace travel

One of the most cherished science fiction scenarios is using a black hole as a portal to another dimension or time or universe. Is it possible? Maybe. But choose carefully. All black holes are not created equal.

Horseback rider crosses a yellow plain, in front of a snow-covered mountain .

Black carbon from Gulf War shows up in Tibet glacier

A study traces black carbon from 1991 Kuwait oil fires to ice in northern Tibet. Researchers say this soot could affect glacier melt at the Tibetan plateau, considered the “Water Tower of Asia.”

Animal world is awesome: 3 essential reads

The elusive fossa, deepsea corals and a tropical frog which has developed resistance to a deadly fungus. Here are 3 stories from 2018 that remind us how awesome the animal world is.

Is time travel possible?

Sure it is, says this physicist, but only if you have an object with infinite mass. Here’s the story of how to build a time machine, with a design that’s deceptively simple.

Huge previously-undetected coral reef off US East Coast

Earlier this year, scientists were surprised to discover a huge forest of coldwater corals off the coast of South Carolina. A scientist aboard the expedition discusses the find.

What would a warmer world look like?

According to the recent IPCC Special Report, warming of 1.5°C (2.7°F) is an important threshold for many climate impacts. What might our planet look like with 1.5°C of warming?

The future disappearance of Quelccaya Ice Cap

Quelccaya, in the Central Andes of Peru, is the largest tropical ice cap in the world. A recent study suggests that the ice cap might soon cease to exist.