The rise of oxygen levels early in Earth's history paved the way for the spectacular diversity of animal life. But for decades, scientists have struggled to explain the factors that controlled this gradual and stepwise process, ...
Earth Sciences
Aug 2, 2021
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It's tough accomplishing everything we want to get done in a day. But it would have been even more difficult had we lived earlier in Earth's history.
Planetary Sciences
Jun 12, 2023
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1887
As Earth's climate continues to warm due to the emission of greenhouse gasses, extreme and anomalous weather events are becoming more common. But predicting and analyzing the effects of what is, by definition, an anomaly ...
Plants & Animals
Jun 5, 2023
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54
(Phys.org)—After three months working on "Mars time," the team operating NASA Mars rover Curiosity has switched to more regular hours, as planned.
Space Exploration
Nov 7, 2012
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A prize-winning, super energy saving LED bulb from Dutch electronics giant Philips, said to last over 20 years, went on sale online and in stores Sunday to coincide with Earth Day.
Energy & Green Tech
Apr 22, 2012
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The 40-year anniversary of Earth Day is sparking a renewed commitment to protecting natural resources. Across the country people recognize there are successes to laud, but also new challenges to confront.
Environment
Apr 22, 2010
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Today's world is all about portability when it comes to gadgets and there are plenty of "green" choices for the upcoming Earth Day on April 22.
Consumer & Gadgets
Apr 15, 2010
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0
San Francisco and Amsterdam set an online stage for an environmental rivalry regarding which city is more nature-friendly.
Environment
Dec 2, 2009
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0
When talk turns to climate change, certain images pop to mind—maybe polar bears on ever-shrinking ice floes, coral reefs drained of color, or more powerful hurricanes hitting the coast.
Environment
Apr 23, 2024
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18
Millions of people around the world will pause on Monday, at least for a moment, to mark Earth Day. It's an annual event founded by people who hoped to stir activism to clean up and preserve a planet that is now home to some ...
Environment
Apr 17, 2024
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