Shift workers are more vulnerable to heart problems than people in a regular 9-5 job because of disruptions to a natural 24-hour clock in our heart cells, a study shows. 

In

Putting their long-running feud to one side for a moment, Elon Musk congratulated Jeff Bezos for the 'cool' decision to send Star Trek's William Shatner into space.

The rare show of

Contactless payments up to £100: Card spending cap more than doubles from today... and many major banks will allow customers to set their own limit

• Shoppers can now spend up to £100

The Hubble Space Telescope has confirmed that Jupiter's ice moon Europa — the subject of intense speculation that it could harbor alien life — has persistent water vapor.

Strangely enough, however,