Earth's oceans may have been green for billions of years until the first photosynthetic organisms flooded our atmosphere with ...

Purple Earth Hypothesis suggests Earth was once a purple planet. Early microbes used retinal, not chlorophyll, for ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, ...

The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...

Hopefully, some of us on Earth can spare a little love for the spacecraft that helped us see our fragile, beautiful planet from a new perspective. Damien Pine (he/him) is a freelance writer ...

A new study upends that belief, proposing that human evolution was merely a natural planetary process that can and likely has occurred on other Earth-like planets. It’s a common belief among ...

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...

Astronomers discovered supersonic winds on a giant gas planet located over 500 light-years from Earth. In a study released ... "This is something we haven't seen before," said Lisa Nortmann ...

But you don't need to leave Earth to experience landscapes that feel out of this world. From volcanic terrains to vast deserts, our planet ... and that we could therefore see significant activity ...

That is, the region in which a given rocky planet can harbor liquid water at ... The authors never say outright that we're never going to find an earth 2.0 or detect intelligent life in our ...

I mean, if you start zooming out, it's really quite terrifying how miniscule Earth is in our solar system. The good news is we ... can go on Google and get a more spectacular view of all these ...