Note posts made on our older Talkback system will still show below. However, new posts can only be made via the new system (above). We will export the old comments to the new shortly. You can still comment as a guest on the new system but it also allows you to login using various social network and other accounts.

Other features coming soon.

Similar articles

Space station computers working for now; blanket repair OK

Russia seeks contingencies for ISS computer failure; third spacewalk (Roundup)

Space tourist Simonyi safely returns to earth

US astronaut breaks spacewalk record

US and Russian astronauts start spacewalk with delay

Latest Headlines in Science

• 1. Babies without dads think differently
• 2. Nano-electric device detects liquids in luggage instantly
• 3. Nose spray boosts memory while you nap
• 4. World as barcode: Help for species; poachers beware
• 5. UN: Climate deal necessary to prevent migration