A cosmic census triples the known number of black holes in dwarf galaxies
A colossal census of the cosmos has more than tripled the number of active black holes known to inhabit miniature […]
Space
Uranus may have looked strange when NASA’s Voyager 2 flew by
Some of the apparent quirks of Uranus may be due to bad timing. In 1986, the Voyager 2 spacecraft flew
A first look at the rocks from the far side of the moon creates a volcanic mystery
The first samples from the far side of the moon contain signs of surprising volcanic activity near the lunar south
Mars’ potato-shaped moons may be the remains of a shattered asteroid
The moons of Mars may be the remnants of a rogue asteroid that came too close to the Red Planet.
What would it take to protect the world from an asteroid?
How to kill an asteroidRobin George AndrewsWW Norton & Co., $29.99 The dinosaurs met a gruesome death at the hands