Get ready for a cosmic surprise this autumn - Earth is about to get a second moon, according to scientists. Read more

Listen to three sound-accompanied pictures Nasa has released to celebrate the 25th 'first light' anniversary of Chandra, its Great X-Ray Telescope. Read more

A Barbie-branded phone has been launched in the UK and Europe with the aim – its makers say – of helping young people take a break from their smartphones. Read more

The Sun is going through a period of high activity, but it is nothing compared to an enormous solar event that slammed into our planet 14,000 years ago. If one were to occur today, the effect on Earth could be devastating. Read more

Lara Lewington travels to California to meet the scientists and experts researching our brain health, and investigating whether we can change how our brains age. Read more

When you last bought a new electronic device did you look at the instruction manual? Read more

A global outage affecting Microsoft products including email service Outlook and video game Minecraft has been resolved, the technology giant said in an update. Read more

A week after a faulty update caused a global IT outage that grounded flights and knocked TV stations off-air, the boss of CrowdStrike has revealed nearly all systems are back online. Read more

BBC reporter Paul Carter takes us inside both the real and virtual new Aquatic Centre in Paris, and explains why digital twins are a "game changer" for athletes. Read more

Scientists have for the first time discovered a cave on the Moon. Read more