A "planet killer" asteroid is set for a close encounter with Earth this week. The mountain-sized asteroid, known as 2011 UL21 ...

New simulations reveal that there is an extremely small chance that the "city-killer" asteroid Apophis could be nudged onto a ...

The ring could be responsible for a prolonged drop in temperatures millions of years ago. Earth may have had a giant ring of ...

A giant 'planet killer' asteroid is set to make a 'very close' approach to Earth, which can trigger a dramatic climate change should it impact our planet. The space rock, 2011 UL21, is about the ...

T he asteroid collision that killed the dinosaurs 65 million years ago may have been a major cosmic crack-up, but it was ...

As the asteroid or comet struck Earth, it vaporized some of the planet’s bedrock, pushing fine dust particles into the stratosphere, obscuring the sun, preventing planets from photosynthesizing ...

A simulation has revealed what would happen if the Apophis asteroid collided with Earth. 99942 Apophis - also known as the ...

A large asteroid barely known to science zoomed past the Earth on Thursday, speeding by within 73,000km of the planet ... “It's a city-killer asteroid. But because it's so small, it's incredibly ...

The asteroid, called 2022 AP7, is about 1.5 kilometers wide — nearly one mile. That makes it a "planet killer," Scott S. Sheppard, an astronomer at the Carnegie Institution for Science ...

News of the asteroid 2024 RW1 impacting near the Philippines may have come as a shock this week, but space agencies and ...

At this size, the chunky space rock is not hefty enough to be considered a "planet killer" asteroid but is big enough to wipe out a large city and trigger planet-wide climatic effects. The ...

Related: Could scientists stop a 'planet killer' asteroid from hitting Earth? To investigate what could have caused these effects, the scientists mapped the positions of 21 Ordovician asteroid ...