The perspective is what astronauts would see out their window if there was an International Space Station flying around the ...

On May 2, as sunlight crept over the Martian horizon, the Odyssey spacecraft captured Arsia Mons, a towering, long-extinct ...

Mysterious dark streaks first observed on Mars in the 1970s are not what many believed they were. Scientists now say the ...

Slope streaks once believed to be signs of water on Mars might really be signs of rockfall and high winds, a new study says.

NASA’s Mars Odyssey captured a stunning sunrise view of Arsia Mons, revealing water-ice clouds and offering insights into ...

Arsia Mons, the southernmost of the Tharsis Montes trio, stands at an awe-inspiring 20 kilometers high, dwarfing Earth’s ...

In “Source Material,” George Washington University’s Textile Museum scrutinizes fast fashion, clothing waste and reclaimed ...

Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.

Catch Jupiter low early in the month, then enjoy Mercury and Mars in the evenings. Saturn, Neptune, and Venus shine in the ...

Today the Arctic is still a site of peril and promise. A new race to the North Pole is under way, as politicians dream of ...

A set of dark streaks that regularly wind across the Martian surface are more likely to be formed by dust and wind than by ...

Dozens of NASA's missions to explore the cosmos could be in jeopardy under a budget proposal from the Trump administration.