As the Hubble Space Telescope approaches 35 years since its launch, marking over three decades of incredible images of the ...

NASA has explored the space beyond Earth and our solar system with spacecraft like Voyagers 1 and 2, and how we’ve discovered ...

NASA's Lucy spacecraft will swoop past a small asteroid this weekend as it makes its way to an even bigger prize: the ...

The ultimate purpose of PUNCH is to use its four instruments — three wide-field imagers (WFI) and a near-field imager (NFI) — ...

Venus, Saturn and the moon will form a triple conjunction, appearing to look like a smiley face in a sky. Here's how and when ...

NASA's Lucy spacecraft will swoop past a small asteroid this weekend as it makes its way to an even bigger prize: the unexplored swarms of asteroids out near Jupiter.

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Three Tucson scientists are featured in "Planetary Defenders," a new NASA documentary that premieres Wednesday about the ...

NASA has recently identified an unidentified object orbiting the Sun, sparking intrigue and speculation within the scientific ...

NASA has just premiered Planetary Defenders, offering a fascinating look at the high-stakes work geared toward protecting Earth from any large asteroids discovered coming our way.

Theoretically, Sunbird's tremendous speeds could cut mission times to Mars in half, from seven to eight months to about four.

Liftoff took place at 9:30 a.m. ET from Blue Origin’s launch site in Van Horn, Texas. During the roughly 10-minute flight, ...