NASA has unveiled two revamped plans to bring Mars samples to Earth in the 2030s, reducing costs by nearly half from its initial $11 billion proposal while expediting the timeline.

Space agency says it needs one more year to decide whether its own hardware or a contractor’s will return Martian samples to ...

The Mars Sample Return effort was billions of dollars over budget and not expected to return to Earth with its samples until 2040.

NASA announced Tuesday that it is exploring two options to move forward with its mission to return samples from Mars at a lower cost.

The best time to watch the Quadrantids meteor shower will be after sunset Friday. At their peak, they deliver a dazzling ...

Missouri enacted Blair’s Law after a senseless killing in 2011. Every irresponsible new incident inspires more restrictions on firearms. | Opinion ...