In a handful of dust grains that traveled to Earth from the Kuiper Belt, traces remain of long-lost water bearing the ...

The effects of the explosion ended up disabling several satellites at the time, and the US and Soviets agreed a year later to ...

We're used to thinking of gravity in the context of large masses – the whirl of planets, the inexorable pull of a black hole.

The blood-brain barrier is a powerful thing. It maintains a strict 'guest list' of who's allowed in and who is banned from ...

Researchers in Ireland analyzed data from the Irish Longitudinal Study on Ageing (TILDA), assessing the health of ...

When is a de-extinction not a de-extinction? Some headline-grabbing methods for bringing extinct species back to life fall ...

On the deep outer slope of a tropical reef in the middle of the Indian Ocean, there lives a coral colony 1.5 kilometers (almost 1 mile, or 100 buses parked behind each other) long, and potentially ...

We all know the rules. If, for whatever reason, by whatever means, you travel back in time, you absolutely must not find and kill your own grandfather before he has had a chance to procreate. Doing so ...

We hate to be the ones to break it to you, but your cat may have some complaints about the service you're delivering.

Humans have been tattooing themselves for thousands of years, for spiritual, cultural, or personal reasons. Long before we were covering ourselves in ironic stick'n'pokes, butterfly tramp stamps, or ...

A team at the University of New South Wales in Sydney wanted to know how early those effects might show up in an ordinary ...

Put this down as one of the more unusual approaches to Alzheimer's treatment that we've come across to date: having patients ...