The latest Green Lantern from Earth, Sojourner Mullein, is a former soldier and police officer who was approached by a member of the Guardians of the Universe to become a Green Lantern.

Green Lantern has fought evil with the power of will on his side for decades, and DC’s Earth One graphic novel series finally made a major and long-incoming alteration to Hal Jordan’s backstory. DC ...

Learn about the theory suggesting that the Earth sits inside of a void, which may explain why the universe appears to expand at an accelerating rate.

A team of astronomers has presented a theory suggesting that Earth and our entire galaxy, the Milky Way, may be located ...

Are we living in a cosmic void? New theory suggests our galaxy sits in a giant hole warping the universe's expansion.

However, although photons of light existed since the first second after the Big Bang, they could not yet shine across the universe. This is because the early cosmos was so hot that "electrons were ...

If we discover a green-tinted world, it could mean that early photosynthetic organisms are thriving there, just like they once did on ancient Earth. Earth’s green oceans may be long gone, but ...

Earth’s oceans once turned green – and they could change again Published: April 9, 2025 1:02pm EDT. Cédric M. John, Queen Mary University of London. Author. Cédric M. John ...