Technology

Researchers want to ‘slice and dice’ deadly asteroids with rocket-powered bombs, new paper says

A group of researchers wants to save Earth from a potential asteroid apocalypse using a new planetary defense method they call PI — short for “Pulverize It.” The plan — detailed in a lengthy technical paper on the University of California, Santa Barbara (UCSB) Experimental Cosmology Group website and submitted to the journal Advances in Space Research — aims to smash […]

Technology

SpaceX crew capsule relocated outside space station before Boeing mission

Four astronauts rode a SpaceX Crew Dragon capsule for a flight from one International Space Station docking port to another Wednesday, clearing the way for arrival of a Boeing Starliner crew ferry ship on an unpiloted test flight later this month. The relocation maneuver, performed with the spacecraft on autopilot, moved the Crew Dragon Endeavour […]

Technology

System of Its Energy : Fighting Multiple Sclerosis With Cold, Depriving the Immune

In evolutionary biology, the “Life History Theory,” first proposed in the 1950s, postulates that when the environment is favorable, the resources used by any organism are devoted for growth and reproduction. Conversely, in a hostile environment, resources are transferred to so-called maintenance programs, such as energy conservation and defense against external attacks. Scientists at the […]

Technology

Lunabotics Junior Contest: NASA Challenges Students to Design Moon-Digging Robots

NASA seeks young engineers to help design a new robot concept for an excavation mission on the Moon. The Lunabotics Junior Contest is open to K-12 students in U.S. public and private schools, as well as home-schoolers. The competition, which is a collaboration between NASA and Future Engineers, asks students to design a robot that digs and moves […]

Technology

Astronomers Use Planet-Hunting Satellite To See White Dwarf “Switch On and Off” for First Time

The researchers led by Durham University, UK, used NASA’s Transiting Exoplanet Survey Satellite (TESS) to observe the unique phenomenon. White dwarfs are what most stars become after they have burned off the hydrogen that fuels them. They are approximately the size of the Earth, but have a mass closer to that of the Sun. The white […]

Technology

Asteroid Bennu’s Surface Surprised Scientists – Here’s the Reason for the Mysterious Lack of Fine Regolith

Using data from NASA OSIRIS-REx mission, a University of Arizona-led team of scientists concluded that asteroids with highly porous rocks, such as Bennu, should lack fine-grain material on their surfaces. Scientists thought asteroid Bennu’s surface would be like a sandy beach, abundant in fine sand and pebbles, which would have been perfect for collecting samples. Past telescope observations […]

Technology

Origin Unknown: Over a Thousand Powerful Cosmic Explosions Detected by FAST Telescope in 47 Days

An international research team led by Prof. LI Di and Dr. WANG Pei from National Astronomical Observatories of Chinese Academy of Sciences (NAOC) caught an extreme episode of cosmic explosions from Fast Radio Burst (FRB) 121102, using the Five-hundred-meter Aperture Spherical radio Telescope (FAST). A total of 1,652 independent bursts were detected within 47 days […]