Do the Twist! Mars Has a Tangled Magnetic Tail

Mars' magnetic field stands apart in the solar system because it gets twisted by interactions with solar particles, a NASA spacecraft discovered. What's more, the Red Planet could have lost its atmosphere through the same process.

Skywatching Gear for Kids: Cyber Monday Deals

This Cyber Monday, get great deals on skywatching gear for kids. From telescopes to astronomy books, the price is right for these kid-friendly stargazing supplies.

Elon Musk: Say 'Sweet Dreams,' Humanity

Elon Musk has once again sounded the alarm about killer robots, this time in response to a video of a humanoid robot doing a backflip.