Asteroid Apophis

NASA has commenced the countdown for its Dawn spacecraft’s brush with the behemoth asteroid Vesta, slated for less than a year from now.
Commencing next July, Dawn will orbit Vesta for a year, carrying a elaborate study and becoming the 1st spacecraft ever to orbit a body in the asteroid belt. Former missions have depicted us [...]

Astronomers have discovered a new asteroid in a region of Neptune’s orbit where no previous object was known to exist — a so-called gravitational “dead zone.”
The asteroid, which follows Neptune’s orbit around the sun, may help shed light on fundamental questions about planetary formation and migration.
The asteroid, classified as a Trojan, [...]