A highly reflective lightsail pushed by light energy in the same way sailboats are pushed by the wind could travel as fast as ...

The Deuteronilus Cavus crater has been shaped by water, wind, ice and volcanic erosion over billions of years, showcasing ...

Arsia Mons, which dwarfs Earth's tallest volcanoes, and its two neighboring volcanoes are often surrounded by water ice ...

This month will usher in two separate conjunctions — one between the moon and a rarely-visible Mercury, and another between ...

The White House’s budget plan for NASA would be woefully inadequate for achieving near-term human voyages to Mars, experts ...

Sen. Ted Cruz's newly unveiled legislative directives for Senate Republicans’ budget reconciliation bill would dedicate ...

Nature explores the massive costs and challenges of sending astronauts to the red planet. US President Donald Trump last week ...

Suppose a Martian landed in Washington a couple of weeks ago, perhaps seeking clarity on Elon Musk’s intentions, and somehow ...

NASA's Mars Odyssey spacecraft has captured a breathtaking image. The image shows Arsia Mons, a massive Martian volcano. The ...

Mars Odyssey orbiter has captured a breathtaking new view of the massive volcano Arsia Mons rising through morning ice clouds ...

SpaceX shared a video in which founder Elon Musk gave a timeline for the company's Starship to reach Mars in the years ahead.