Keep reading to learn more about Earth's different layers, its atmosphere, and what makes the "blue planet" unique ... begins the transition into outer space. Human activity has a huge effect ...

Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising temperatures are once again causing the world’s oceans to turn green.

Blue Ghost launched from NASA's Kennedy Space Center on Jan. 15 ... As Blue Ghost spun around to the nightside of our planet, Earth transformed from a bright globe to a thin crescent, following the ...

Those first images came one day after the launch from the U.S. space agency's Kennedy Space Center in Cape Canaveral, but plenty more have followed since. On Jan. 27, Blue Ghost ... it is furthest ...

The Blue Ghost lunar lander, operated by Firefly Aerospace from Texas, became the first commercial spacecraft to image an eclipse from the moon.

The Blue Ghost lunar lander, managed by Texas company Firefly Aerospace, touched down Sunday morning on the moon's near side.

Space company Blue Origin’s next mission will be powered by a history-making crew of heavy hitters, including journalist Gayle King, pop star Katy Perry and philanthropist Lauren Sánchez.

Then on Thursday, the lander, named Blue Ghost, fired its engines ... apogee – the point when it is furthest from Earth in its orbit of the planet – as it prepared to enter the moon's orbit.