Spacecraft

After an unexpected communications dropout, NASA’s Ingenuity helicopter is back in business on Mars

Japan’s SLIM precision-landing spacecraft—a potential game-changer for upcoming lunar exploration—may expire on the moon before fulfilling its mission

Astrobotic’s Peregrine lunar lander, which endured a crippling postlaunch malfunction for longer than expected, could set a precedent for a coming wave of U.S. moon missions

A forthcoming investigational report from an office of the Pentagon has found no evidence of aliens, only allegations circulated repeatedly by UFO claim advocates

If successful, the Artemis program promises to revolutionize travel to other celestial bodies. But many more tests of hardware remain

Peregrine will likely burn up in Earth’s atmosphere, the moon lander’s builder has said

What lessons does the loss of the Titan submersible have for preventing spaceflight disasters?

NASA’s Mars Sample Return program is the agency’s highest priority in planetary science, but projected multibillion-dollar overruns have some calling the plan a “dumpster fire”

Astrobotic’s Peregrine lander was meant to be the first commercial spacecraft to operate on the surface of the moon. Instead it may not reach lunar orbit at all

A new analysis finds that images from Voyager 2's close encounter with Neptune show the planet as being far too blue

Unique studies of gravity waves, atmospheric holes and dazzling coronal displays will accompany April’s total solar eclipse across the U.S., Mexico and Canada

Aditya-L1 will join more than four active spacecraft at the first Lagrange point, a nearly stable region in the gravitational field between Earth and the sun