A newly discovered asteroid, 2026 EG1, is set to make an exceptionally close pass by Earth on the night of March 12, 2026. Discovered only days ago, this asteroid will come within 197,466 miles of ...

Asteroid 2026 EG1 was discovered on March 8, less than one week ago.

"For asteroids of the size scale relevant to planetary defense (i.e., ∼50-500 m), the mass can only be directly measured ...

NASA confirms that asteroid 2026 CC3, about the size of a bus, will make a close flyby of Earth on March 11, 2026, at a distance roughly four times that of the Moon’s orbit. Is this asteroid a "danger ...

New spacecraft techniques propose using CubeSats, laser rangefinding, and precise Doppler measurements to determine the mass of potentially hazardous asteroids during flyby missions.

Asteroid 2026 CU1 will sweep past Earth this week at high speed, close enough to attract attention yet deemed safe, raising ...

Estimating a mass for a potentially hazardous asteroid (PHA) is perhaps the single most important thing to understand about ...

NASA's Jet Propulsion Laboratory reports that the near-Earth asteroid 2021 ER will approach Earth on Friday for a safe yet close flyby. The asteroid is roughly 44 feet wide, which equals the ...

New observations by NASA confirm an asteroid will not hit the Moon in 2032. Learn about the NASA Asteroid 2032, what scientists discovered, why the risk is gone, and how planetary defense monitoring ...

The asteroid is the size of an office building, and will narrowly pass by the moon in 2032.

The space rock has a 4.3% chance of striking the Moon in six years—and it could generate a flash nearly as bright as Venus. Reading time 2 minutes A large rocky asteroid will make a close approach to ...