The Networks That Ruled Earth’s Ancient Seas

Science|The Networks That Ruled Earth’s Ancient SeasTrilobitesFossils of rangeomorphs, which dominated the oceans more than a half-billion years ago, show the thin threads that connected them.A fossilized community of 571-million-year-old fernlike organisms, including rangeomorphs, from Mistaken Point Ecological Reserve in Newfoundland, Canada. Read more »

When Voyager 2 Calls Home, Earth Soon Won’t Be Able to Answer

Although it takes about a day and a half to talk to Voyager 2 at its current distance, they sent commands to restore its normal operations.”Because Voyager 2 is considered a “geriatric” spacecraft, losing contact with it for any length of time is risky. Read more »

A New Mini-Moon Was Found Orbiting Earth. There Will Be More.

, which observed the 2020 CD3 object.Wierzchos said, “except that it was found to be orbiting Earth instead of the sun. Read more »

Earth’s Deepest River Conceals an Evolutionary Mystery

The lower Congo River’s depths have made it a natural lab for convergent evolution, yielding fish with unexpected features.Blind fish from lower Congo River. Read more »

Christina Koch Lands on Earth, and Crosses a Threshold for Women in Space

The astronaut Christina Koch took a selfie on a spacewalk in October.Christina Koch, who returned to Earth on Thursday, might be another name you’ll come to remember. Read more »

Earth’s Oldest Asteroid Impact Found in Australia

Science|Earth’s Oldest Asteroid Impact Found in AustraliaTrilobitesThe cataclysm, which occurred roughly 2.An outcrop of impact melt rock on Barlangi Hill in the Yarrabubba crater in Western Australia, the site of an asteroid collision more than 2 billion years old. Read more »

Fossil Reveals Earth’s Oldest Known Animal Guts

Science|Fossil Reveals Earth’s Oldest Known Animal GutsTrilobitesThe find in a Nevada desert revealed an intestine inside a creature that looks like a worm made of a stack of ice cream cones.But what her gut hadn’t told her was that some of those fossils would turn out to contain the oldest known animal guts on the planet. Read more »

‘Earth’ Review: Humanity Is Digging Its Own Grave

Critic’s PickIn this sobering documentary, Nikolaus Geyrhalter looks at how humans are changing the planet one backhoe at a time.A scene from Nikolaus Geyrhalter’s “Earth. Read more »

The Coolest Architecture on Earth Is in Antarctica

Brazil’s Comandante Ferraz Research Station, opening this month, sits on the tip of the Antarctic Peninsula and will be devoted to studying climate change.ETRepresentatives from Brazil’s scientific community and government will head to Antarctica this month to inaugurate its new Comandante Ferraz Research Station, which replaces a facility lost to fire in 2012. Read more »

It’s Cold Outside, but Earth Is at Its Closest Approach to the Sun

Science|It’s Cold Outside, but Earth Is at Its Closest Approach to the SunTrilobitesOur planet’s elliptical orbit doesn’t affect winter or summer temperatures.Eastern time, to be exact), Earth will make its closest approach to the sun and reach a point in its orbit known as perihelion. Read more »

Earth Science Has a Whiteness Problem

Varuolo-Clarke said.Varuolo-Clarke said. Read more »

Is Earth Getting Bigger Over Time?

Science|Is Earth Getting Bigger Over Time?None of these processes actually makes the Earth bigger or smaller — no mass is being created or destroyed. Read more »

How Life on Our Planet Made It Through Snowball Earth

Science|How Life on Our Planet Made It Through Snowball EarthRusty rocks left over from some of our planet’s most extreme ice ages hint at oases for survival beneath the freeze.But from about 720 to 635 million years ago, temperatures swerved the other way as the planet became encased in ice during the two ice ages known as Snowball Earth. Read more »

Nobel Prize in Physics Awarded for Studies of Earth’s Place in the Universe

The cosmologist James Peebles split the prize with two astronomers, Michel Mayor and Didier Queloz, for work the Nobel judges said “transformed our ideas about the cosmos.” VideoThe cosmologist James Peebles split the Nobel Prize in Physics with the astronomers Michel Mayor and Didier Queloz. Read more »

Humans Dominated Earth Earlier Than Previously Thought

A new report by a worldwide collection of archaeological experts has found that human activity began altering the planet 3,000 years ago, much earlier than previously estimated.29, 2019Humans substantially altered the planet much earlier than previously thought, a worldwide collection of archaeological experts reported Thursday. Read more »

How a Bitter Divorce Battle on Earth Led to Claims of a Crime in Space

ImageThe domestic troubles of Anne McClain, left, a decorated NASA astronaut, appear to have extended into outer space.The five space agencies involved in the space station — from the United States, Russia, Japan, Europe and Canada — have long-established procedures to handle any jurisdictional questions that arise when astronauts of various nations are orbiting Earth together. Read more »

Butterflies and the Salt of the Earth

Q&AThe insects love mud puddles.ImageCreditVictoria RobertsSometimes in the woods I come across a swarm of butterflies hovering over a patch of earth. Read more »

In Super-Deep Diamonds, Glimmers of Earth’s Distant Past

Science|In Super-Deep Diamonds, Glimmers of Earth’s Distant PastTrilobitesImageElectron microscope images of diamonds from the Juína area of Brazil.These sturdy, rare minerals travel hundreds of miles from Earth’s mantle, where they form, to the crust, where they are discovered. Read more »

Earth’s Food Supply Is Under Threat. These Fixes Would Go a Long Way.

Answering that challenge requires a huge overhaul of how we use land and water for food production, experts say.But if agriculture is done right, experts say, it can be less of a climate change problem and more of a climate change solution. Read more »