Space How the Red Planet acquired its two moons, Phobos and Deimos, is unknown – they could have formed after something collided with the planet, or started out as asteroids – but now there is a hint of a cometary origin By Jonathan O’Callaghan Mars has two irregularly shaped moons, an inner moon named Phobos…

In the future, if nothing is done to stop it, an asteroid not much larger than a football stadium will crash into the planet. Should it hit a city, it will annihilate it much like a non-radioactive nuclear bomb. There are 25,000 asteroids, roughly 460-feet long, like this zipping about in near-Earth space, and about…

Published Mar 24th, 2024 9:02AM EDT Despite popular belief, not all space rocks with tails are comets. In fact, asteroids with tails are by far some of the rarest asteroids that we know of, and NASA volunteers just helped find 15 new ones.The 15 new asteroids are part of a rare lineup of asteroids that…