If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

The presence of another planet in the solar system could explain the odd movements of some of the bodies in the Kuiper Belt.

An exoplanet discovered in 2020 contains the coldest temperatures ever measured on a planetary body, according to scientists.

Championing sustainability by promoting nature nonprofits, increasing recyclability and reducing waste and emissions.

The environmental charity behind a number of high-profile recycling schemes went into voluntary administration this week.

It's not easy to tell if a hacker has taken control of your PC's webcam. But these five signs are your best bet at knowing!

By combining data on all known bird species, this tree is the most impressive snapshot yet of one of Earth’s most ...

Stars have long inspired curiosity among observers, but our understanding of their birth and the creation of planets around ...

Follow the latest news headlines from Australia's most trusted source. Read in-depth expert analysis and watch live coverage ...

The travel publication released its list of the 11 best lakes in the U.S. to visit this summer, with two Washington sites ...

Both projects were coordinated by the US Global Change Research Program (USGCRP), a network of 15 federal agencies that deal ...