Pettit, NASA's oldest active astronaut, is celebrating his 70th birthday while landing in Kazakhstan after 220 days in space.

NASA astronaut Don Pettit will return to Earth from the International Space Station Saturday, alongside his two Russian ...

NASA’s quantum sensor satellite will map gravity shifts to uncover Earth’s hidden resources, changes, and patterns.

Columnist Joan Brickner writes about Secretary of Interior Doug Burgum's efforts to push coal and talk of using federal land for "affordable housing." ...

Buying refurbished can help you save some green while going green. Not all refurbs are created equal, but these sales earned ...

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

To make matters worse, not only is the climate making people think twice about having kids, it is also negatively impacting ...

The exoplanet K2-18b could harbor a massive ocean, but scientists will need to study the planet more to see if it’s really ...

As the Trump administration cancels climate science briefings and removes environmental data tools from public view some ...

The ABC News Group will mark Earth Week in April with special coverage across all programs and platforms as part of the ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

The Tribune Chronicle is sponsoring its annual Earth Day recycling collection 8 a.m. to noon Tuesday in the newspaper’s ...