Anderson Cooper shares a look back at Robert Redford’s unwavering advocacy for the planet through activism, storytelling, and decades of public engagement. Redford is this year’s CNN Heroes Legacy ...

A hybrid grolar bear saga is unfolding in the Arctic, and the tale of this strange family has much to tell us about nature on ...

Exactly 10 years since he blasted into space, Tim Peake reveals the lessons he learned in orbit - and what the future holds ...

Perfectly compact for exploring on foot, with mild temperatures hovering around 15C throughout winter, Cascais offers an ...

Some of the elements used by living systems are far more abundant in Cassiopeia A than we thought, hinting that some parts of our galaxy might be more suitable for life than others ...