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The joint BepiColombo mission of the European Space Agency (ESA) and the Japan Aerospace Exploration Agency (JAXA) is settling into orbit around Mercury after an eight-year journey. In early September, BepiColombo's two orbiters, ...
Material properties such as sound insulation, resistance to extreme heat and thermal expansion originate from how the zillions of microscopic building blocks (nuclei and electrons) interact at equilibrium and respond to perturbations. ...
Halley's Comet captures the imagination in a way that few other astronomical objects do. When it last made its approach toward the sun (admittedly when this author, who is now middle-aged, was 1 year old in 1986), humanity ...
Active black holes are easy to detect. Their superheated accretion disks emit bright X-rays, and the jets streaming from their poles are easily seen at visible and radio wavelengths. But most stellar-mass black holes are ...
There are nearly 1 million pieces of debris larger than 1 centimeter (0.4 inch) in near-Earth orbit. As we continue launching spacecraft and telescopes to explore the universe, this debris poses a significant threat of high-speed ...
After an eight-year journey, a spacecraft carrying European and Japanese probes began the monthslong, high-risk approach to Mercury on Thursday to study the sun-scorched planet.
In a new Nature Communications study, researchers developed a universal scaling framework for the strength of granular asteroids, showing that their tensile strength can be predicted from the size and shape of their constituent ...
A private spacecraft that was supposed to provide a lifeline to NASA's Swift Observatory managed to get close to the sinking telescope and even snap photos two weeks after the rescue was abandoned.
Jeffrey Rosenthal was a young professor at the University of Toronto when he discovered he was born on a Friday—though not just any Friday.
Two Mercury-bound spacecraft left their mother ship behind on Thursday and headed down the home stretch of their nearly decade-long voyage to the solar system's smallest and closest-to-the-sun planet.
