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Space Exploration 5 hours ago

Pulsed plasma rocket (PPR): Shielded, fast transits for humans to Mars

The future of a space-faring civilization will depend on the ability to move both cargo and humans efficiently and rapidly. Due to the extremely large distances that are involved in space travel, the spacecraft must reach ...

Space Exploration 7 hours ago

Intercropping viable for optimizing vegetable production on Mars

A group of crop systems analysts at Wageningen University and Research, in the Netherlands, has found evidence that intercropping on Mars could be a viable option for optimizing vegetable production.

Astrobiology May 1, 2024

New findings point to an Earth-like environment on ancient Mars

A research team using the ChemCam instrument onboard NASA's Curiosity rover discovered higher-than-usual amounts of manganese in lakebed rocks within Gale Crater on Mars, which indicates that the sediments were formed in ...

Space Exploration Apr 30, 2024

Chinese astronauts return to Earth after 6 months on space station

A Chinese spacecraft returned to Earth on Tuesday with three astronauts who completed a six-month mission aboard the country's orbiting space station.

Space Exploration Apr 30, 2024

NASA's Mars Sample Return mission is in trouble—but it's a vital step to sending humans to the red planet

NASA recently asked the scientific community to help come up with innovative ideas for ways to carry out its Mars Sample Return (MSR) mission. This was in response to a report by an independent board that deemed that its ...

Astronomy Apr 30, 2024

Novel calculations peg age of 'baby' asteroid

An asteroid dubbed "Lucy's baby" after a NASA spacecraft discovered it is orbiting another asteroid last November is,, in fact,, a solar system toddler—just 2–3 million years old, a Cornell-led research team estimates ...

General Physics Apr 30, 2024

Robots can't outrun animals. A new study explores why

The question may be the 21st century's version of the fable of the tortoise and the hare: Who would win in a foot race between a robot and an animal?

Planetary Sciences Apr 29, 2024

NASA scientists gear up for solar storms at Mars

In the months ahead, two of NASA's Mars spacecraft will have an unprecedented opportunity to study how solar flares—giant explosions on the sun's surface—could affect robots and future astronauts on the Red Planet.

Earth Sciences Apr 28, 2024

Human activities have an intense impact on Earth's deep subsurface fluid flow

The impact of human activities—such as greenhouse gas emissions and deforestation—on Earth's surface have been well-studied. Now, hydrology researchers from the University of Arizona have investigated how humans impact ...

Economics & Business Apr 27, 2024

US labor market can affect 'people who are not even here'

That the job market in Phoenix can affect a child's education in Mexico may strain credulity, but it's nevertheless true, according to a recent paper co-authored by Brian Cadena, a University of Colorado Boulder associate ...

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