Is Earth really exceptional?  A new book seems to reaffirm that notion.  But given the right conditions, primitive life may be a mere byproduct of biophysics.

Astrophysicists have long theorized that there should be planets out there that are, in size, somewhere between Earth and ...

Engaging articles, breathtaking images and expert knowledge Issues delivered straight to your door What would happen if Earth ...

It's certain that recently discovered asteroid 2024 YR4 will swing close to Earth in 2032. The chances of an impact remain ...