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Double catastrophe killed dinosaurs, says study

Asteroid impact and volcanic eruptions might have been a one-two punch that killed off the dinosaurs. New dates suggest the catastrophes were nearly simultaneous.

Eleanor Imster

October 9, 2015

Video: First biofluorescent turtle

Explorers happen upon the first glowing sea turtle ever recorded.

Eleanor Imster

October 7, 2015

See Wednesday’s rocket launch from U.S. mid-Atlantic

Time will be 7 p.m. EDT this evening. People in a wide swath of U.S. mid-Atlantic states can see it, if skies are clear.

Deborah Byrd

October 6, 2015

1,000-year rainfall hits South Carolina

Roads washed out. People trapped in cars. Seven deaths as of Sunday evening. And it's still raining, but the rain should taper off by Monday night.

Matt Daniel

October 5, 2015

How close to sending people to Mars?

There's now a target date of 2030 for a manned mission to Mars. But how close are we, really, to becoming Martians?

EarthSky Voices

October 5, 2015

NASA shortlists 5 possible new missions

NASA has announced five investigations for further study in its latest competition for new, relatively small-scale, robotic missions into our solar system.

Deborah Byrd

October 4, 2015

Video lets you imagine Earth breathing

NASA video simulating a massive typhoon spinning toward China, with something extra added. Plus a word about the Gaia hypothesis.

Deborah Byrd

October 4, 2015

Einstein ring helps weigh a black hole

Astronomers have "weighed" only the nearest supermassive black holes. Now, with a gravity lens and Einstein ring, they've weighed one 12 billion light-years away.

Deborah Byrd

October 3, 2015

Sea ice still too thick for Arctic shipping route

Despite climate change, sea ice will continue to make the Northwest Passage too treacherous to be a regular Arctic shipping route for decades, says study.

Eleanor Imster

October 3, 2015