Titan, the largest moon of Saturn, has a denser atmosphere than Earth and a surface where rain, rivers, and seas are made of liquid hydrocarbons rather than water. And NASA is building a rotorcraft to explore it, because Titan’s physical conditions genuinely …

• Space Daily

This is accurate, and a spacecraft has already done it. Enceladus, a moon of Saturn only about 500 kilometres across, has a global ocean of liquid water under a shell of ice. Through fractures near its south pole, that ocean vents continuously into space as a…

• Space Daily

In an upcoming biography of Stephen Hawking, author Graham Farmelo writes about Hawking’s upbringing and his parents, including dad Frank’s 1961 diary entry that said he was worried abo…

• Jeanne Erickson
• New York Post

The adult human brain contains somewhere between 86 and 100 billion neurons. Each of those neurons can form thousands of synaptic connections. For most of the twentieth century, scientists believed that after a certain point in childhood, the architecture of …

• Space Daily