This dino’s fossil claw suggests it snatched eggs, not insects
A 67-million-year-old claw fossil reveals a new dinosaur species that may have used its hand spikes to snatch and pierce eggs.
A 67-million-year-old claw fossil reveals a new dinosaur species that may have used its hand spikes to snatch and pierce eggs.
We summarize the week's scientific breakthroughs every Thursday.
Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.