earth

Carbon Dioxide Concentration in the Earth's Atmosphere Has Hit Levels Unseen for 3 Million Years

The concentration of carbon dioxide in the Earth's atmosphere has reached l...

The concentration of carbon dioxide in the Earth's atmosphere has reached levels not seen for 3 million years, scientists at Mauna Loa Observatory in Hawaii said Monday – offering a dire warning about the impact...

Surfers avoiding the hurricane rip in Western Australia.

See Earth From Above

TIME selected some of the most mesmerizing Drone photographs

See How the View of Earth From Space Has Changed Over 21 Years

A never-before-seen time-lapse photo of the Earth at night

HAMBURG, GERMANY - DECEMBER 28: Participant hold their laptops in front of an illuminated wall at the annual Chaos Computer Club (CCC) computer hackers' congress, called 29C3, on December 28, 2012 in Hamburg, Germany. The 29th Chaos Communication Congress (29C3) attracts hundreds of participants worldwide annually to engage in workshops and lectures discussing the role of technology in society and its future. (Photo by Patrick Lux/Getty Images)

Our Wifi Signal Will Be Faster and Travel on Light

These are today's best ideas

Wounded warrior: The moon has had a very rough life

The Moon May Once Have Been Many Moons

A new study upends an old theory

The Earth and the moon, as seen from Mars, via a composite image from four sets of images from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA’s Mars Reconnaissance Orbiter, captured on Nov. 20, 2016. Each image was processed separately prior to combining to ensure the moon is visible, and retains the correct sizes and positions of both relative to each other.

See the Earth and Moon from Mars in New NASA Image

NASA's images of the Earth and the moon were processed separately and then ...

NASA's images of the Earth and the moon were processed separately and then combined

This image of the Orion Nebula star-formation region was obtained from multiple exposures using the HAWK-I infrared camera on ESO’s Very Large Telescope in Chile.

The Best Space Photos of 2016

From Saturn's rings to this year's supermoons, TIME looks back at the best ...

From Saturn's rings to this year's supermoons, TIME looks back at the best space images