This Is Fascinating. An Image of a Galaxy’s Magnetic Field
There’s always more than one way to look at the world. There’s also more than one way to look at…
There are Natural Starshades Out There, Which Would Help Astronomers Image Exoplanets
A new study by an international team of astronomers has shown that eclipsing binary stars could act as a natural…
Supermassive black holes can cloak themselves in a cocoon of dust, making them invisible even when they should be bright quasars
Quasars are the most powerful sources of light in the universe, but sometimes they're hard to find. A team of…
China’s Mars Mission Took This Picture of the Earth and Moon
No matter where you are, where you’ve been and where you’re going, it’s always good to see home. And we…
Earth Observation Satellites Could be Flown Much Lower than Current Altitudes and Do Better Science
Satellite engineers know what every photographer knows: get close to your subject to get better pictures. Not just visible light…
Perseverance Rover Rumbles Off the Launchpad to Mars
NASA’s Mars 2020 Perseverance rover is now successfully on its journey to Mars, launching from Space Launch Complex 41 at…
There’s a flash of ultraviolet just as a white dwarf is exploding as a supernova
Astronomers recently spotted a rare type of supernova explosion that was accompanied by a massive flare of ultraviolet radiation. Untangling…
Beyond “Fermi’s Paradox” IV: What is the Rare Earth Hypothesis?
Looking to answer the question of "where are all the aliens," some scientists have suggested that planets like Earth might…
A Group of Meteorites All Came From a Destroyed Planetesimal With a Magnetic Core
Before our Solar System had planets, it had planetesimals. Scientists think that most of the meteorites that have struck Earth…
Thanks to Cosmic Radiation, There Could be Life on Mars, Just a Couple of Meters Under the Surface
Remember back in 2008 when the Phoenix lander on Mars scraped away a few inches of rust-colored regolith to reveal…