Shadows and greenness: Uncovering satellite biases in viewing Earth"s vegetation
For decades, scientists have used satellite data to assess the health and greenness of Earth's vegetation. These data have influenced our understanding and decision-making on pressing issues from sustainable crop production to climate change......»»
Earth 2 at 30: A look back at NBC’s big swing at sci-fi in the early ’90s
A long-forgotten sci-fi series premiered on NBC 30 years ago this month, but it paved the way for some of the shows that came after it......»»
World’s first wooden satellite launched to space
The tiny wooden cubesat arrived at the International Space Station aboard a SpaceX Dragon ship and will be deployed to orbit before the end of this year......»»
NRO chief: “You can’t hide” from our new swarm of SpaceX-built spy satellites
"A satellite is always coming over an area within a given reasonable amount of time." The director of the National Reconnaissance Office has a message for US adversaries around th.....»»
"The nastiest soils on Earth" are getting recognized as a bigger problem
Acid sulfate soils are characterized by their orange hue and their tendency to kill surrounding vegetation and fish. Anders Johnson's extensive research along Sweden's coastline reveals the widespread presence of these soils, underscoring their signi.....»»
Testing thousands of RNA enzymes helps find first "twister ribozyme" in mammals
The "RNA world" hypothesis proposes that the earliest life on Earth may have been based on RNA—a single-stranded molecule similar in many ways to DNA—like some modern viruses. This is because, like DNA, RNA can carry genetic information, but, lik.....»»
Earth underwent a massive, rapid melting period after the last global ice age, new study suggests
At the end of the last global ice age, the deep-frozen Earth reached a built-in limit of climate change and thawed into a slushy planet. Results from a Virginia Tech-led study provide the first direct geochemical evidence of the slushy planet—other.....»»
Next-generation space materials blast off for tests on ISS
A new generation of space materials left Earth on November 5 as they head to the International Space Station (ISS) to undergo testing in the brutal conditions of low Earth orbit......»»
Secrets and lies: Spies of the Stuart era played a dangerous game in the shadows of an unstable Europe
Stuart monarchs were repeatedly challenged by dangerous threats—a gunpowder plot, a civil war and political revolution. As a result, by the restoration of Charles II in 1660, the English government had come to rely on a shadowy trade of secrets for.....»»
Moon waves goodbye to Hera
As ESA's Hera mission for planetary defense departed its homeworld, it looked back to Earth to show the moon orbiting around it. In this sequence of images the terrestrial disk gradually shrinks as the spacecraft recedes away from it, and the moon mo.....»»
World"s first wooden satellite launched into space
The world's first wooden satellite has blasted off on a SpaceX rocket, its Japanese developers said Tuesday, part of a resupply mission to the International Space Station......»»
Portal to the past: Geologist identifies metamorphic rock as a crucial feature of the ancient Earth"s carbon cycle
If Earth's history were a calendar year, humans would not appear until the last few minutes before midnight on Dec. 31. During the Proterozoic Eon—2.5 billion years to 543 million years ago—the sun was still a young star, much dimmer than today,.....»»
Oh buoy! A new-generation satellite mission to study color of the ocean from space
Curtin University has joined forces with NASA, University of Miami, San José State University and the National Institute of Standards and Technology on a new-generation satellite mission to study the color of the ocean from space, providing vital in.....»»
Apophis: A new European space mission could get up close with a large asteroid that"s set to brush by Earth
The European Space Agency has given the go-ahead for initial work on a mission to visit an asteroid called (99942) Apophis. If approved at a key meeting next year, the robotic spacecraft, known as the Rapid Apophis Mission for Space Safety (Ramses),.....»»
Australia cancels Lockheed Martin military satellite project
Australia cancels Lockheed Martin military satellite project.....»»
China space station crew returns to Earth after 6 months in space
Three Chinese astronauts returned to Earth on Monday after a six-month stay on the Tiangong space station, part of China's effort to be a global leader in space exploration......»»
Japan launches a defense satellite carried by a new flagship H3 rocket
Japan launched a defense satellite designed for information-gathering and military operations on a new flagship H3 rocket on Monday, as the country seeks to build up its military capability amid growing tension in the region......»»
Chinese space station crew returns after six months in orbit
A three-person Chinese crew returned to Earth early Monday after more than six months aboard the Tiangong space station, state news agency Xinhua reported......»»
Geodynamic mantle-flow model explains deformation of continental crust block in North China
Cratons are fascinating yet enigmatic geological formations. Known to be relatively stable portions of the Earth's continental crust, cratons have remained largely unchanged for billions of years. Although cratons have survived many geological events.....»»
Report reveals how the state of our oceans is intrinsically linked to human health
A study published in the journal One Earth explores how marine biodiversity conservation, human health and well-being are connected. The results suggest that marine protected areas can be good for both planet and people......»»
Scientists sound the alarm after uncovering unexpected behavior of sharks: "It is very worrying"
Scientists sound the alarm after uncovering unexpected behavior of sharks: "It is very worrying".....»»