For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

Robert Zubrin quite literally wrote the book on why humanity should go to Mars—so why has the renowned aerospace engineer ...

A crewed mission to Mars would rank among the most complex and costly undertakings in human history -- and US President ...

Billionaire Elon Musk said on Thursday that his rocket company SpaceX will not decommission its Dragon spacecraft just hours ...

Jared Isaacman wasn't a perfect NASA nominee, but his passion for the agency's scientific missions will be missed.

Starship is expected to be used for the Artemis III crewed moon mission, and the eventually trek to Mars. Once fully ...

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

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

NASA's initiatives to pioneer next-generation space technologies are also hit hard in the White House's budget proposal. If the Trump administration gets its way, NASA's Space Technology Mission ...

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

Though full terraforming may take centuries, if not millennia, the long-term goal would be a Mars with stable liquid water, ...

Here are the key takeaways from Musk’s latest Mars update: ...