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H. Leifert

Rock leaves a trail on a cracked, dry lake bed.
Posted inNews

Does This Fossil Reveal a Jurassic Tropical Freeze?

by H. Leifert 19 February 202027 January 2023

On view for over a century, a fossil slab may display evidence of tropical freezing during the Jurassic, but scientists never noticed it—until one finally did. Some colleagues are not convinced.

Posted inNews

Sea Level Rise Added $2 Billion to Sandy's Toll in New York City

by H. Leifert 16 March 20156 October 2025

The storm surge affected 11.4% more people and 11.6% more housing units than it would have without sea level rise.

Posted inNews

Holidays Really Do Light Up the Night

by H. Leifert 19 December 201410 September 2025

NASA and NOAA images reveal brighter than average December lights in the United States, brighter Ramadan nights in the Middle East.

Posted inNews

MAVEN Unlocks Secrets of the Martian Atmosphere

by H. Leifert 16 December 201430 May 2023

In its first month, NASA’s orbiter saw effects of the solar wind at low altitude and tracked a plume of gases escaping into space

Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

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