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.

In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, ...

Here are today's general risks from asteroids or comets both tiny and very large. Importantly, even relatively small rocks ...

Astronomers have peered into an alien planet's atmosphere and found extreme weather unlike anything in the solar system.

While the Doctor often tries to lead with the truth and to keep every promise they make, Doctor Who frequently proves that ...

With an equatorial diameter of 7926 miles (12,760 kilometers), our planet Earth is the biggest of the terrestrial planets and the fifth largest planet in our solar system. It is the only planet in the ...

Scientists have long overlooked white dwarfs as hosts for habitable exoplanets, assuming their lack of fusion would make life ...

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

Jupiter and Mars will be visible every evening through the first half of February, and appear in a line across the sky. This is happening, according to AccuWeather, because all six planets are going ...

Their discovery showed that even tucked away in our innards – in the walls of our stomachs, subjected to vinegar-like pH ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...