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Suborbital space tourism finally arrives | FCC prepares to run public C-band auction | The big four in the U.S. launch industry — United Launch Alliance, SpaceX, Blue Origin and Northrop Grumman — hope to be one of two providers that will receive five-year contracts later this year to launch national security payloads starting in 2022. | China’s launch rate stays high | The International Space Station is the largest ever crewed object in space.

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How dust pollution from shrinking Great Salt...

July 5, 2024

New research from the University of Utah demonstrates how wind-carried dust from the exposed bed of Great Salt Lake is disproportionately affecting disadvantaged communities in the Salt Lake metro area. The findings suggest restoring the lake to a healthy water level would reduce disparities in harmful dust exposure experienced by different racial/ethnic and socioeconomic groups, along with delivering other ecological and economic benefits. Exposure to particulate pollution arising from dry portions of the playa is highest among Pacific Islanders...

Cool roofs are best at beating cities'...

July 4, 2024

Painting roofs white or covering them with a reflective coating would be more effective at cooling cities like London than vegetation-covered “green roofs,” street-level vegetation or solar panels, finds a new study led by UCL researchers. Conversely, extensive use of air conditioning would warm the outside environment by as much as 1 degree C in London’s dense city centre, the researchers found. The research, published in Geophysical Research Letters, used a three-dimensional urban climate model of Greater London to...

Moon 'swirls' could be magnetized by unseen...

July 3, 2024

Lunar swirls are light-colored, sinuous features on the Moon’s surface, bright enough to be visible from a backyard telescope. Some people think they look like the brushstrokes in an abstract painting. But these are not mere artistic flourishes: NASA images show that the tendrils from some lunar swirls extend for hundreds of miles. Lunar swirls have defied easy explanation, but recent modeling and spacecraft data shed light on the twisty mystery. The data shows that rocks in the swirls...

IPCC: the climate handbook for a 'liveable'...

March 13, 2023

Earth is hotter than it has been in 125,000 years, but deadly heatwaves, storms and floods amplified by global warming could be but a foretaste as planet-heating fossil fuels put a “liveable” future at risk.

California scrambles to fix levee as another...

March 13, 2023

Emergency workers scrambled Monday to stabilize a California levee after a breach forced thousands from their homes, as another major storm loomed, threatening more flooding.

Benefits of the net-zero emissions strategy for...

March 13, 2023

Achieving the goals of the Paris Climate Agreement will require the combined efforts of states and companies around the world. How can developing countries achieve carbon neutrality and boost their resilience while pursuing economic growth and improved living standards? A study by the Research Institute for Sustainability (RIFS) draws on the example of Nepal to analyze the benefits of a net-zero emissions strategy.

Unique image obtained by scientists with high-speed...

March 13, 2023

With a high-speed camera and the luck of being in the right place at the right time, physicist Marcelo Saba, a researcher at Brazil’s National Space Research Institute (INPE), and Ph.D. candidate Diego Rhamon obtained a unique image of lightning strikes showing details of the connections to nearby buildings.

A decade of unveiling the hidden universe:...

March 13, 2023

On March 13th, 2023, astronomers around the world will mark the 10th anniversary of the inauguration of the Atacama Large Millimeter/submillimeter Array (ALMA), the world’s largest radio telescope.

A helicopter is going to Titan. Could...

March 13, 2023

What are the hydrocarbon seas on Titan really like? While the upcoming Dragonfly helicopter mission to Saturn’s hazy and frigid moon should arrive by 2034 to explore Titan’s atmosphere, the need remains for a mission that could study the moon’s mysterious seas and lakes, filled with liquid hydrocarbons.

Femtosecond laser ablation of crystalline perovskites induces...

March 13, 2023

Recently, researchers from the Changchun Institute of Optics, Fine Mechanics and Physics of the Chinese Academy of Sciences published a study in Materials Today Physics that sheds light on the light emitting properties of perovskite materials after being subjected to femtosecond laser processing.

Researchers develop ultraefficient white light laser on...

March 13, 2023

A team of researchers from the University of Twente has made a breakthrough in ultraefficient on-chip supercontinuum generation. The findings, published in the journal Advanced Photonics Research, represent a major step forward in the field of integrated photonics and enable applications in portable medical imaging devices, chemical sensing and LiDAR.

A brief history of the UK's Winchcombe...

March 13, 2023

On February 28, 2021, for the first time in 30 years, a meteorite fell in the U.K. and was later recovered by scientists. Today, there’s an international effort to study this space rock and learn more about its place in the early solar system.

Astronomers just discovered a comet that could...

March 13, 2023

Hot on the heels of the disappointing Green Comet, astronomers have just discovered a new comet with the potential to be next year’s big story—C/2023 A3 (Tsuchinshan-ATLAS).

Scientists measure a debris flow in unprecedented...

March 13, 2023

Debris flows are fast-moving and highly variable mixtures of soil, rock, water, and trees that can wreak havoc on downslope communities. Small debris lags behind larger particles, but it is not clear how this sorting occurs and what that means for the hazards nearby communities might face.

Laser-driven creation of high-energy ions boosts next-gen...

March 13, 2023

A new way to create high-energy ions could speed up their applications in treating cancer and probing the fundamental nature of matter.

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