Space Exploration

Explorers of space and the deep sea face similar dangers, but some differences make one realm safer than the other

Scientists are gearing up for a high-stakes finale to OSIRIS-REx, the first U.S. mission to snare a sample from an asteroid

After a failure in 2019, India’s second attempt to land on the moon comes as the nation signs on to a U.S.-led plan to shape future global lunar activities

At a stay in Biosphere 2, I went in skeptical but learned to understand why analog astronauts love what they do

Tiny spheres of once-molten metal magnetically dredged from the seafloor could be pieces from IM1, a potential interstellar meteor that struck Earth in 2014

Astrophysics reminds us that earthly beauty has stellar origins

Privately owned space colonies are more likely to be totalitarian nightmares than libertarian utopias

Here’s how the winners of NASA’s Deep Space Food Challenge are making food out of thin air

More and better data are required to solve the mystery of strange apparitions in the air, the sea and space, according to NASA’s Unidentified Anomalous Phenomena Independent Study team

Researchers have gained a new view of the journey ahead for the twin Voyager spacecraft and other probes bound on one-way trips into interstellar space

Boeing's first Starliner flight for NASA astronauts was scheduled for July 21, but is now delayed—perhaps indefinitely

How realistic is it to expect to find enough ice on the moon to support human habitation?