Asteroids

How Long Does it Take to get to the Asteroid Belt?

Just how long would it take to get to the Asteroid Belt, in the event that we want to start…

8 years ago

The Moon’s Mare Imbrium Was Hit By Protoplanetary Size Impactor

The asteroid that punched an “eye” in the Moon is about 10 times more massive than originally thought. Researchers say…

8 years ago

Returned Samples Of Asteroid Itokawa Show Violent 4.5 Billion Year History

Asteroid Itokawa had a sometimes violent 4.5 billion year history, according to samples returned by Japanese spacecraft Hayabusa.

8 years ago

Centaurs Keep Their Rings From Greedy Gas Giants

Minor planets like Chariklo are good at keeping their ring systems away from larger planets, and we are beginning to…

8 years ago

Earth Has An Almost-Moon

Earth has a new dance partner, a quasi-moon named 2016 H03.

8 years ago

470 Million Year Old Meteorite Discovered In Swedish Quarry

A fossilized meteorite from a quarry in Sweden is a new type of space rock that's different from other meteors.

8 years ago

Astronomy Cast Ep. 416: Fireballs from Space!

Every now and then we look up and see bright fiery balls falling from the sky. Don't panic, these are…

8 years ago

Scientists Identify the Source of the Moon’s Water

Using lunar samples from the Apollo missions, scientists have determined that the majority of water inside the Moon was delivered…

8 years ago

Weekly Space Hangout – May 27, 2016: Dr. Seth Shostak

Host: Fraser Cain (@fcain) Special Guest: Dr. Seth Shostak is the Senior Astronomer at the SETI Institute. He also heads…

8 years ago

30 km Wide Asteroid Impacted Australia 3.4 Billion Years Ago

Scientists in Australia have found evidence of an enormous asteroid impact about 3.5 billion years ago. But the site of…

9 years ago