Dinosaurs might have been wiped out by a comet instead of an asteroid, a new study says. Harvard researchers theorized that a piece of a comet crashed into Earth over 66 million years ago to ...

PEOPLE Dinosaurs may have been killed off by a large piece of a comet, rather than an asteroid, a new study claims. A pair of researchers at Harvard University now believe there is evidence that a ...

The Sun's powerful tidal forces then ripped pieces off the comet, and one of the larger ... rate and also the kind of impact that killed the dinosaurs." Each such event would produce "a collection ...

The global extinction event that meant curtains for the dinosaurs was unlikely to have been triggered by an Earth-impacting comet fragment, several planetary scientists now argue. This most ...

Siraj and Loeb aren't the only ones positing the theory that a comet killed the dinosaurs. Two geoscientists advanced the theory in 2013, partially because the levels of iridium and osmium around ...

Fragments of comet slough off and may careen toward nearby planets. This, the study authors say, is "a satisfactory explanation for the origin of the impactor" that killed the dinosaurs.

Here’s how it works. The chunk of space rock that killed the nonavian dinosaurs may have been a piece of a comet that Jupiter's gravity kicked onto a collision course with Earth. A new study ...

Feb. 7, 2013 — -- Go digging with dinosaur hunters and they will show ... rex and its brethren were wiped out by a comet or asteroid crashing in Central America, kicking up so much dust ...

About 66 million years ago, a cataclysmic event marked the end of the dinosaur era ... and not from a comet as some had supposed. Researchers employed an innovative method to analyze samples ...

An enormous comet is due to fly past Earth next month, and it should be visible throughout the summer for those with access to a small telescope. The comet, C/2017 K2, was spotted in 2017 using ...