Earth's oceans could one day turn purple. Nearly three fourths of Earth is covered by oceans, making the planet look like a ...

In an experiment simulating harsh Martian conditions, including X-ray radiation, scientists discovered that certain lichens ...

What steps can be taken to ensure future space settlements on the Moon and Mars are constructed with the same efficiency as ...

President Donald Trump’s proposed annual budget for NASA next year would nearly cut in half the agency’s science funding, while potentially cutting off money for other major initiatives like returning ...

Nearly half of Mars dust consists of silica, which on Earth is known to cause silicosis, an incurable lung disease that ...

NASA administrator nominee Jared Isaacaman will take on questions from U.S. senators Wednesday at a confirmation hearing.

Because salt has been detected on Mars, it is likely that Martian mudflows are also salty, much like Earth’s mud volcanoes, ...

Until now, it’s been very hard for scientists to establish a detailed timeline of the early evolution of bacteria.

Some of the unusual rocks carry stories about water on Mars. One has hints of long-gone microbes. All tell of a dynamic, complex planet.

A stunning discovery on Mars has revealed the longest organic molecules ever found on the planet—carbon chains that could ...

The experiment could go a long way towards helping space travelers make their own nutritious, delicious ingredients.

American space agency NASA has begun studying the five samples of spacesuit material it sent over the Mars on the ...