A mass extinction 66 million years ago killed the non-bird dinosaurs, but plants survived.
The Yarrabubba asteroid landed 2.2 billion years ago. Around the same time, the icy Earth went through a big thaw.
From alien life to human spaceflight, 2020 may deliver some exciting news.
Many people are still upset that Pluto was demoted from being a planet. But definitions of various celestial objects are fairly fluid. So whether it is an asteroid or moon or planet is up for debate.
Dust from the breakup of an asteroid changed the Earth's climate and led to an increase in marine biodiversity, study shows.
Asteroids have played a key role in our history and will continue to do so in the future.
Every day about 50 tons of rocks from space fall on Earth. An examination of these meteorites has inspired a new theory about how exactly these rocks formed.
The origin of Libyan desert glass found scattered in an Egyptian desert has puzzled scientists for years. But a new look at the glass structure reveals its meteoric formation.
The source of water on Earth, the Moon and planets in our solar system is hotly debated. Some in the planetary science community argued that it came from asteroids and comets. Now they have proof.