April 22 is traditionally known as Earth Day, the occasion where we pause as temporary travelers on our 'blue marble' to ...

ESA/Hubble In a first for astronomers surveying the depths of space, carbon dioxide has been detected on an exoplanet – that is, a planet lying outside our solar system. Thanks to the coronagraph ...

But NASA's oldest serving astronaut Don Pettit became a septuagenarian while hurtling toward Earth in a spacecraft to wrap up ...

This week, learn why experts are divided over an exoplanet, see the first footage of a colossal squid in its deep-sea habitat ...

“Our city, our planet, owe a debt to these intrepid souls.” Things are going great for the group — with Sue announcing she and Reed are expecting their first child — until Garner’s Silver Surfer ...