Environment
Zoologger: The mud creature that lives without oxygen
The first animal to be found that doesn't need oxygen bolsters claims that complex beasts can evolve on other planets even if there's no oxygen
News
Humans
Time Lords discovered in California
News
Life
Microbes thrive in harsh, Mars-like lakes
News
Life
Evidence for life on Mars may be staring us in the face
News
Life
Drake wants off-world listening post for alien messages
News
Life
‘Backward’ black holes spew super-powerful jets
News
Life
SETI opens up its data to ‘citizen scientists’
News
Life
Martian sheen: Life on the rocks
Features
Life
Religion could survive discovery of ET, survey suggests
News
Life
Exolanguage: do you speak alien?
We've tried messaging extraterrestrials in geek speak 鈥� but we've had no replies. Maybe we should stop trying to make sense and just gabble
Features
Life
The face of first contact: What aliens look like
Features
Life
Earth calling: A short history of radio messages to ET
News
Life
Paired stars may bear multiple litters of alien worlds
News
Life
Frank Drake: Half a century listening for ET
Opinion