How would humans respond to first contact from an alien world?

According to Star Trek lore, it is only 51 years until humans encounter their first contact with an alien species. In the movie “Star Trek: First Contact,” on April 5, 2063, Vulcans pay a visit to an Earth recovering ...

Silence in the sky—but why?

(Phys.org) —Scientists as eminent as Stephen Hawking and Carl Sagan have long believed that humans will one day colonise the universe. But how easy would it be, why would we want to, and why haven't we seen any evidence ...

Synthetic life could aid space exploration

When packing for a manned mission to Mars or the Moon, the best thing to bring may not be food or fuel, but specially designed organisms that can create those things for you.

Will SETI's unprecedented new program finally find E.T.?

Stephen Hawking, Frank Drake and dozens of journalists gathered at the Royal Society in London last week to hear astronomers announce a ground-breaking new project to search for intelligent extraterrestrial life called "Breakthrough ...

Denial of invasive species threat worries scientists

Scientists believe a new battlefront is opening in science denialism and this time the target is the science of invasive alien species and the fight to protect some of the world's rarest species and most unique ecosystems.

Philippines to fight invading species

Like some bad science-fiction movie, Philippine fishermen are encountering strange alien creatures: tough, speckled fish with sharp spines that tear and rip their nets.

Antarctica faces major threats in the 21st century: researchers

The continent of Antarctica is at risk from human activities and other forces, and environmental management is needed to protect the planet's last great wilderness area, says an international team of researchers, including ...

Nature's backbone at risk

The most comprehensive assessment of the world's vertebrates confirms an extinction crisis with one-fifth of species threatened. However, the situation would be worse were it not for current global conservation efforts, according ...

page 1 from 9