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Joel Achenbach

Global warming boosted Hurricane Harvey’s rainfall by at least 15%, studies find

NEW ORLEANS – Hurricane Harvey’s historic deluge in Texas showed clear signs of human-caused climate change, with rainfall at least 15 percent heavier and the likelihood of such a calamity t...

Techno-skeptics' objection growing louder

Astra Taylor’s iPhone has a cracked screen. She has bandaged it with clear packing tape and plans to use the phone until it disintegrates. She objects to the planned obsolescence of today’s ...

One-two punch may have killed off the dinosaurs

New research suggests that the asteroid or comet that slammed into the Earth 66 million years ago rocked the planet so violently that it accelerated a massive volcanic eruption in India, a d...

At college drop-off weepfest, remember these three words

All across the United States, people are weeping. They are sobbing, sputtering, sniveling and mewling because they are in the process of saying goodbye to their little baby boy or little bab...

Still sharp, Hubble telescope turns 25

Orbital camera has changed our understanding of the universe and space itself

Pollution pushes Earth’s limits

We have crossed 4 of 9 ‘planetary boundaries,’ scientists say

Dinosaurs killed by volcanic eruption?

Scientists say it’s a strong possibility