Researchers continue to build on a body of evidence for a fragmented comet that is thought to have exploded over Earth almost ...

The Younger Dryas Impact Hypothesis posits that a comet hit Earth 12,800 years ago, causing temperatures int he Northern Hemisphere to plummet back to near-glacial ...

Examples of Fe-rich and silica-rich impact microspherules (a and b) and metallic dust particles (MDPs; c and d) interpreted as cometary dust from Baffin Bay cores. Yellow arrows show particles of FeSi ...

Named 3I/ATLAS, the comet is only the third known interstellar object to enter our solar system, and it's the largest and ...