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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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Space Policy Edition: The space policies of...

October 4, 2024

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Return to Dimorphos: Looking forward to the...

October 2, 2024

Type Size OptionsPlay from 00:00 iFrame code<iframe src=”https://omny.fm/shows/planetary-radio-space-exploration-astronomy-and-sc/return-to-dimorphos-looking-forward-to-the-hera-la/embed?style=Cover” width=”100%” height=”180″ allow=”autoplay; clipboard-write” frameborder=”0″ title=”Return to Dimorphos: Looking forward to the Hera launch”></iframe>

Fresh wind blows from historical supernova

July 5, 2024

A mysterious remnant from a rare type of supernova recorded in 1181 has been explained for the first time. Two white dwarf stars collided, creating a temporary “guest star,” now labeled supernova (SN) 1181, which was recorded in historical documents in Japan and elsewhere in Asia. However, after the star dimmed, its location and structure remained a mystery until a team pinpointed its location in 2021. Now, through computer modeling and observational analysis, researchers have recreated the structure of...

Engineers find a way to protect microbes...

July 5, 2024

Microbes that are used for health, agricultural, or other applications need to be able to withstand extreme conditions, and ideally the manufacturing processes used to make tablets for long-term storage. MIT researchers have now developed a new way to make microbes hardy enough to withstand these extreme conditions. Their method involves mixing bacteria with food and drug additives from a list of compounds that the FDA classifies as “generally regarded as safe.” The researchers identified formulations that help to...

A 2D device for quantum cooling

July 5, 2024

To perform quantum computations, quantum bits (qubits) must be cooled down to temperatures in the millikelvin range (close to -273 Celsius), to slow down atomic motion and minimize noise. However, the electronics used to manage these quantum circuits generate heat, which is difficult to remove at such low temperatures. Most current technologies must therefore separate quantum circuits from their electronic components, causing noise and inefficiencies that hinder the realization of larger quantum systems beyond the lab. Researchers in EPFL’s...

Not so selfish after all: Viruses use...

July 5, 2024

Curious bits of DNA tucked inside genomes across all kingdoms of life historically have been disregarded since they don’t seem to have a role to play in the competition for survival. Or so researchers thought. These DNA pieces came to be known as “selfish genetic elements” because they exist, as far as scientists could tell, to simply reproduce and propagate themselves, without any benefit to their host organisms. They were seen as genetic hitchhikers that have been inconsequentially passed...

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.

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