"The art of tracking may well be the origin of science." This is the departure point for a 2013 book by Louis Liebenberg, co-founder of an organization devoted to environmental monitoring. The demise ...

A long, long time ago, marsupials the size of small trucks, 2-meter-tall "thunder birds" and 5-meter-long venomous lizards roamed Australia. These animals—and more—were Australia's megafauna.

A new study in PNAS shows that the extinction of large mammals between 50,000 and 10,000 years ago permanently altered predator-prey networks, especially in the Americas. These simplified food webs ...

The first people to inhabit the Americas had a singular obsession: the biggest animals on the landscape. A July 2026 study in Science Advances makes the case that Paleolithic populations from Alaska ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A new study has uncovered the likely cause behind the mysterious ...

The extinction of the megafauna – giant marsupials that lived in Australia until 60,000 to 45,000 years ago – is a topic of fierce debate. Some researchers have suggested a reliance on certain plants ...

Thaís Pansani examines the marks humans left on megafauna bones to determine when people arrived in South America and how they interacted with giant mammals Chihiro Kai 14,000 years ago, an early ...

Sudden deaths : the chronology of terminal Pleistocene megafaunal extinction / Stuart Fiedel -- Estimates of Clovis-era megafaunal populations and their extinction risks / Gary Haynes -- Paleobiology ...

Fossils and ancient DNA archive millennia of ecological change that modern experiments are too short to capture. Because isotopes are preserved in fossil tissues, we analyze tusks, teeth, and bones of ...

From the Arctic to the tip of South America, the earliest people in the Western Hemisphere pursued enormous prey animals. These groups relied on remarkably similar weaponry and followed herds of ...