Climate

Tree Rings Reveal 1,000 Years of Solar Activity

The Sun has a lot of rhythm and goes through different cycles of activity. The most well-known cycle might be…

2 days ago

Mars has Been Through Many Ice Ages in the Last Billion Years

Like Earth, Mars has experienced periods of extreme glaciation or ice sheet coverage, which are known as ice ages. As…

7 days ago

Scientists Think They Know What Caused the Deadliest Mass Extinction in the History of the Earth

Humanity can have a love/hate relationship with itself, but there's no denying that we're the pinnacle of evolution on Earth…

3 months ago

Pluto has Snowcapped Mountains, But Why?

We can thank NASA's New Horizons spacecraft for opening our eyes up to Pluto's complexity. On July 14th, 2015, the…

3 months ago

Climate Change is Making the Atmosphere Worse for Astronomy

Modern astronomical telescopes are extraordinarly powerful. And we keep making them more powerful. With telescopes like the Extremely Large Telescope…

4 months ago

Did Snowball Earth Happen Because of a Sudden Drop in Sunlight?

Hundreds of millions of years ago, Earth went through two episodes of severe glaciation. These two episodes—the Sturtian and the…

6 months ago

Martian Features Were Carved by Glaciers, not Flowing Rivers

Orbiters are giving us a chance to study the surface of Mars closely, and some of the features that pop…

6 months ago

This Giant Iceberg Has Been Sailing the Southern Seas for Three Years Now

An iceberg that calved off of from a larger ice formation has spent three years floating on the ocean near…

7 months ago

Even If We Cut Greenhouse Gas Emissions Tomorrow, it Would Take Decades for the Earth to Start Cooling Again

If—or hopefully when—we cut our Greenhouse Gas (GHG) emissions, we won't notice much difference in the climate. The Earth's natural…

7 months ago

It Was Almost Certainly an Asteroid Impact that Wiped Out the Dinosaurs. In Fact, Volcanoes Might Have Helped Life Recover

It seems almost certain that an asteroid impact wiped out the dinosaurs. But only almost. Another competing theory won't completely…

7 months ago