To quote the first line of a letter published today in the journal Nature, “Every supernova so far observed has been considered to be the terminal explosion of a star.” In other words, when a...
Humans have always practiced some form of astronomy. For thousands of years, that meant observing only the light our eyes could see — either unaided or with a variety of instruments, such as...
Black holes themselves are invisible, but the region around them is not. These objects are surrounded by an accretion disk of material, which can shine brightly across the electromagnetic spectrum....
Some 130 million years ago, when dinosaurs roamed Earth, two dead stars in a far-away galaxy collided violently, after spiraling around each other for millions of years. The dead stars were neutron...
The Jet Propulsion Laboratory (JPL) of NASA and Google have launched Access Mars, a free immersion experience on the Red Planet. It is available for use (https://accessmars.withgoogle.com/) on all...
Gravitational waves from two colliding neutron stars 130 million million light-years away were detected recently, and this cosmic event has sparked an astronomy revolution. The Sky Crew returns to...
4.24 light-years from Proxima Centauri, 150 million kilometers from the Sun, 385 thousand kilometers from the Moon, and 6,000 nautical miles from the Royal Observatory in Greenwich sits the...
Planet Nine is out there, and astronomers are determined to find it, according to a new statement from NASA. In fact, mounting evidence suggests it’s hard to imagine our solar system without...
While it’s true that space radiation is one of the biggest challenges for a human journey to Mars, it’s also true that NASA is developing technologies and countermeasures to ensure a safe and...