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Warming pulses in ancient climate record link volcanoes, asteroid impact and...

A new reconstruction of Antarctic ocean temperatures around the time the dinosaurs disappeared 66 million years ago supports the idea that one of the...

Asteroid day will draw eyes to the stars, but the more...

June 30 is Asteroid Day, a global awareness effort to promote asteroids and discussion around what can be done to protect our planet from...

New type of meteorite linked to ancient asteroid collision

An ancient space rock discovered in a Swedish quarry is a type of meteorite never before found on Earth, scientists reported June 14 in...

Clues to ancient giant asteroid found in Western Australia

Scientists have found evidence of a huge asteroid that struck the Earth early in its life with an impact larger than anything humans have...

Multiple cosmic impacts 790,000 years ago

Approximately 790,000 years ago, there were multiple cosmic impacts on earth with global consequences. Geoscientists from Heidelberg University reached this conclusion after dating so-called...

Scientists find link between comet, asteroid showers and mass extinctions

Mass extinctions occurring over the past 260 million years were likely caused by comet and asteroid showers, scientists conclude in a new study published...

Asteroid impact, volcanism were one-two punch for dinosaurs

Berkeley geologists have uncovered compelling evidence that an asteroid impact on Earth 66 million years ago accelerated the eruptions of volcanoes in India for...

Quenched glasses, asteroid impacts, and ancient life on Mars

Quenched glasses formed by asteroid impacts can encapsulate and preserve biological material for millions of years on Earth, and can also serve as a...

Did ocean acidification from asteroid impact that killed the dinosaurs cause...

New research, led by the University of Southampton, has questioned the role played by ocean acidification, produced by the asteroid impact that killed the...

Fresh evidence for how water reached Earth found in asteroid debris

Water delivery via asteroids or comets is likely taking place in many other planetary systems, just as it happened on Earth, new research strongly...

Did dinosaur-killing asteroid trigger largest lava flows on Earth?

The asteroid that slammed into the ocean off Mexico 66 million years ago and killed off the dinosaurs probably rang the Earth like a...

World’s largest asteroid impact site could be in Australia

Not long ago, asteroid impacts weren't considered as a significant factor in the evolution of Earth. Following the Late Heavy Bombardment, which pummelled the...

Expedition Will Sample Crater Left By Dinosaur-Killing Asteroid

An international research team is formalizing plans to drill nearly 5,000 feet below the seabed to take core samples from the crater of the...

World’s largest asteroid impacts found in central Australia

A 400 kilometre-wide impact zone from a huge meteorite that broke in two moments before it slammed into the Earth has been found in...

Asteroid that flew past Earth has moon

Scientists working with NASA's 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, California, have released the first radar images of asteroid 2004 BL86. The...

Doubt cast on global firestorm generated by dino-killing asteroid

Pioneering new research has debunked the theory that the asteroid that is thought to have led to the extinction of dinosaurs also caused vast...

Asteroid that wiped out dinosaurs may have nearly knocked off mammals,...

The extinction of the dinosaurs 66 million years ago is thought to have paved the way for mammals to dominate, but a new study...

Before an asteroid wiped out the dinosaurs, Earth experienced a short...

Sixty-six million years ago, an asteroid more than five miles wide smashed into the Earth at 70,000 miles per hour, instantly vaporizing upon impact....

Earth’s early life endured long asteroid bombardment

IT WAS a blitzkrieg with no let-up. Earth may have been pounded by massive asteroids for a billion years longer than we thought, with...

Asteroid impacts significantly altered ancient Earth

New research shows that more than four billion years ago, the surface of Earth was heavily reprocessed -- or mixed, buried and melted --...

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