Impact event
An impact event is a collision between celestial objects causing measurable effects. Impact events have physical consequences and have been found to regularly occur in planetary systems, though the m...
Impact event - Wikipedia
If there had been no asteroid collision 65 million years ago, would the human species even exist?
If there had been no asteroid collision 65 million years ago, would the human species even exist?
Surprise! Unexpected Asteroid Buzzes by Earth
An asteroid discovered on Jan. 7 flew by our planet on Jan. 9 at about half the distance that the moon is from Earth
NASA's New 'Intruder Alert' System Spots An Incoming Asteroid
A space rock zips by earth Sunday night. Astronomers know it doesn't pose a threat, in part thanks to a new automated warning program called Scout.
Massive, Ancient Asteroid Crater may Provide Clues to Dinosaur Extinction
Scientists digging deep into the Gulf of Mexico say they have cracked into a crater, formed some 65 million years ago after a massive asteroid struck the earth. The 33-member team of scientists from a...
Dinosaur-killing asteroid to be drilled by scientists
Scientists plan to drill into the impact crater where an asteroid struck Earth 66 million years ago and killed the dinosaurs.
Moon was produced by a head-on collision between Earth and a forming planet
The violent impact with a “planetary embryo” called Theia occurred approximately 100 million years after the Earth formed, UCLA geochemists and colleagues report. The researchers analyzed seven rocks ...
‘Alien Megastructure’ Star Apparently Thronged By Comets
A star in a faraway solar system has caused quite a stir among astronomers. Its light fluctuates dramatically and in strange patterns, so scientists think something large and weird-shaped might be cir...
Halloween asteroid resembling skull narrowly misses Earth
It's as if the universe itself was trying to get into the Halloween spirit. A large space rock resembling a skull narrowly missed Earth shortly after 1 p.m. ET Saturday (October 31). NASA says astero...
Unexpected Asteroid To Zip Past Earth On Halloween
We can expect a totally different kind of trick-or-treater this coming Halloween. A rather large asteroid—discovered less than three weeks ago—is set to to fly past the Earth at a distance not seen in...
Why Humanity's Survival May Depend On Colonizing Mars
After decades of space exploration, and countless movies on the subject, why exactly does Mars continue to inspire such high levels of fascination?Both the red planet and NASA are coasting on a wave o...
NASA and ESA are forming a super space team to prevent Armageddon
The American and European space agencies are teaming up to save the world, joining forces to study potentially hazardous near-Earth asteroids, and how best to deflect them. The Asteroid Impact & Defle...
Asteroid Impact, Volcanism Were One-Two Punch For Dinosaurs
For 35 years, paleontologists and geologists have debated the role these two global events played in the last mass extinction, with one side claiming the eruptions were irrelevant, and the other side ...
NASA Debunks Internet Rumor of Asteroid Striking Earth Next Month
NASA was forced to speak publicly this week to settle an unfounded rumor about an imminent clash of an asteroid on Earth. Previous reports suggested that in mid to late September, it is possible that ...
A Gentle Nudge With A Nuke: Deflecting Earth-Bound Asteroids
In 2013, a small asteroid exploded in the atmosphere over Chelyabinsk, Russia. The sonic boom from the event sent more than a thousand people to the hospital, mostly from flying glass from shattered w...
Largest-ever meteorite crater found in Australian outback
Scientists say underground 'scars' in central Australia mark the largest meteorite crater ever found Scientists have discovered two deep scars in the earth's crust in outback Australia that are believ...
Impact crater
An impact crater is an approximately circular depression in the surface of a planet, moon or other solid body in the Solar System, formed by the hypervelocity impact of a smaller body with the surface...
Impact crater - Wikipedia
Impact winter
An impact winter is a period of prolonged cold weather due to the impact of a large asteroid or comet on the Earth's surface. If an asteroid were to strike land or a shallow body of water, it would ej...
Permian-Triassic extinction event
The Permian–Triassic (P–Tr) extinction event, colloquially known as the Great Dying or the Great Permian Extinction, occurred about 252 Ma (million years) ago, forming the boundary between the Permian...
Permian-Triassic extinction event - Wikipedia
Cretaceous-Tertiary extinction event
The Cretaceous–Paleogene (K–Pg) extinction event, formerly known as the Cretaceous–Tertiary (K–T) extinction, was a mass extinction of some three-quarters of plant and animal species on Earth—includin...
Cretaceous-Tertiary extinction event - Wikipedia
Tollmann's hypothetical bolide
Alexander Tollmann's bolide, proposed by Kristan-Tollmann and Tollmann in 1994, is a hypothesis presented by Austrian geologist Alexander Tollmann, suggesting that one or several bolides (asteroids or...
2009 Jupiter impact event
The 2009 Jupiter impact event, occasionally referred to as the Wesley impact, was a July 2009 impact on Jupiter that caused a black spot in the planet's atmosphere. The impact area covered 190 millio...
2009 Jupiter impact event - Wikipedia
2010 Jupiter impact event
The 2010 Jupiter impact event was a bolide impact event on Jupiter by an object estimated to be about 8–13 meters in diameter. The impactor may have been an asteroid, comet, centaur, extinct comet, o...
2010 Jupiter impact event - Wikipedia
Comet Shoemaker-Levy 9
Comet Shoemaker–Levy 9 (formally designated D/1993 F2) was a comet that broke apart and collided with Jupiter in July 1994, providing the first direct observation of an extraterrestrial coll...
Comet Shoemaker-Levy 9 - Wikipedia
Giant impact hypothesis
The giant impact hypothesis, sometimes called the Big Splash, or The Theia Impact states that the Moon was formed out of the debris left over from an indirect collision between the Earth and an astron...
Giant impact hypothesis - Wikipedia
Sulawesi 2009 superbolide
The 2009 Sulawesi superbolide was an atmospheric fireball blast over Indonesia on October 8, 2009, at approximately 03:00 UTC, near the coastal city of Bone in South Sulawesi, island of Sulawesi. The ...
Tunguska event
101°57′E / 60.917°N 101.950°E / 60.917; 101.950The Tunguska event was a large explosion, caused by an asteroid or comet, which occurred near the Podkamennaya Tunguska River in...
Tunguska event - Wikipedia
Vitim event
The 2002 Vitim event or Bodaybo event is believed to be an impact by a bolide in the Vitim River basin. It occurred near the town of Bodaybo in the Mamsko-Chuisky district of Irkutsk Oblast, Siberia, ...
List of unexplained explosion events
Many explosions have been recorded in Earth's atmosphere that are likely caused by the air burst that results from a large meteor burning up as it hits the atmosphere. The best known, and most spectac...
Asteroid impact avoidance
Asteroid impact avoidance comprises a number of methods by which near-Earth objects (NEO) could be diverted, preventing destructive impact events. A sufficiently large impact by an asteroid or other ...
Asteroid impact avoidance - Wikipedia