During the close approach of 2008 OS7 with Earth on Feb. 2, the agency's Deep Space Network planetary radar gathered the first detailed images of the stadium-size asteroid.
How can humans protect the Earth from "devastating asteroid and comet impacts?" According to the National Academies and their 2023-2032 Planetary Science and Astrobiology Decadal Survey, ground-based astronomical radar systems ...
Satellite and spacecraft operators may finally be able to detect small pieces of debris orbiting Earth using an approach proposed by researchers from the University of Michigan.
Reports this week suggest a near-collision between an Australian satellite and a suspected Chinese military satellite.
The astrophysicists, from Trinity and the Breakthrough Listen team and Onsala Space Observatory in Sweden, are scanning the universe for "technosignatures" emanating from distant planets that would provide support for the ...
A rescue mission is under way in the Caribbean to save one of the world's largest—and rarest—frogs from extinction.
NASA's Europa Clipper is designed to seek out conditions suitable for life on an ice-covered moon of Jupiter. On Aug. 14, the spacecraft received a piece of hardware central to that quest: the massive dish-shaped high-gain ...
In the age of COVID-19, the word "virus" stirs up thoughts of contagion, sickness, and even death. But what if there were a virus—a very tiny virus capable of replicating itself hundreds of times every half hour—that ...
The Arecibo Telescope was an amazing tool for astronomers. Built in the early 1960s, it had a 1,000-foot-wide dish and was capable of both receiving and transmitting radio signals. It did radar mapping of near-Earth asteroids, ...
Did you know that bacteria can hide their antimicrobial resistance? Much like storing military defense equipment without revealing it to the enemy, bacteria can mask their ability to resist antimicrobials. This hidden antimicrobial ...
