Is this the key to finally finding life beyond Earth? Planets harbouring aliens may give off a distinctive purple hue, scientists say

China to launch sample return mission to the far side of the Moon – maybe next week

NASA's James Webb captures 'sharpest' images of the Horsehead Nebula that sits 1,300 light-years away from Earth

Charlotte the virgin stingray's caretakers release two similar updates in same week - fueling conspiracy theories among fans

Toxic chemicals are found in more than 200 19th-century books  ... here is how YOU can spot a 'deadly' edition

Large bird flu outbreak feared among Texas farmers - group shows symptoms of disease as experts warn cases are far more widespread than previously thought

The 'morbid' theory explaining why aliens have not contacted us on Earth

Here's what has New Yorkers more stressed than the rest, according to a Senior Director at the American Psychological Association

The dominant theory about why aliens have not contacted Earth yet... and scientists say it is 'morbid'

Lost work of the Brothers Grimm found hidden in library - and handwritten notes could reveal how the authors chose themes for stories like 'Hansel and Gretel' and 'Rumpelstiltskin'

Instagram down for 2 hours during outage that impacted users worldwide

New study reveals exactly why New Yorkers are stressed out all the time

Warning over 'blinding' dog infection that could spread to humans - as two pets in New Jersey contract bug that is resistant to drugs

Instagram is DOWN: Thousands of users worldwide hit with outage plaguing the app

Women can stand the cold BETTER than men, surprising study finds