John Timmer - Page 1

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DART goes silent after hitting an asteroid [Update]

Enlarge / One of the last images from DART.NASA/APL Update, 10:30: If this is an indication of the quality of the images we...

Computers vs. TV: Which is less likely to promote dementia?

EnlargeDennis Fischer Photography Standing desks—and even biking desks—are a response to a growing body of studies showing that a sedentary lifestyle creates...

If everyone bicycled like the Danes, we’d avoid a UK’s worth of emissions

Enlarge / Bikes, infrastructure, and willingness to use both are all needed for Netherlands-level cycling use.Scott E Barbour Transportation produces about a...

Jumping spiders may experience something like REM sleep

Enlarge / This little guy looks too perky to need a nap.Tony Liu Our sleep is marked by cycles of distinct brain...

US regulators will certify first small nuclear reactor design

Enlarge / NuScale's reactor-in-a-can.NuScale On Friday, the Nuclear Regulatory Commission (NRC) announced that it would be issuing a certification to a new...

NASA revises Mars’ sample return plan to use helicopters

EnlargeNASAJPL-Caltech On Wednesday, NASA announced that it had made major changes to its plan for returning samples from the surface of Mars...

NASA’s new toy may have already spotted the oldest known galaxy

Enlarge / The two newly imaged galaxies, with the older one at right.Naidu, et. all. One of the design goals for the...

Re-analysis of a fossil finds it’s from the earliest vertebrate branch

Enlarge / Yes, those are gills on this Cambrian animal.Dinghua Yang Because we're a member of the group, it's easy to see...

How carbon emissions got caught up in a Supreme Court showdown

Enlarge / A man walks up the steps of the US Supreme Court.Mark Wilson/Getty Images Thursday's Supreme Court decision regarding the use...

Wolves survived the ice age as a single, global population

Enlarge / An Eastern Gray Wolf is a mix of Siberian ancestry and coyote DNA.Michael Cummings Man's best friend was the first...

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