NASA's long-term space initiatives—from satellite networks to planetary terraforming—are sparking new fears about their ...

As the asteroid lines up for a planetary flyby in 2029, space agencies are coordinating to conduct some groundbreaking ...

Palantir Technologies may be joining forces with Elon Musk’s SpaceX and defense firm Anduril to develop a high-stakes U.S. missile defense system. President Trump is backing a “Golden Dome” initiative ...

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

The Trump administration’s draft budget plan for fiscal 2026 includes deep cuts to NASA’s science programs as part of an overall 20% reduction in the agency’s annual spending, leaked documents from ...

NASA has just premiered Planetary Defenders, offering a fascinating look at the high-stakes work geared toward protecting ...

As you watch the night sky, streaks of light often flash for a moment, then disappear. These brilliant flashes—called ...

Last week, reports started making rounds online about how the Trump administration could cut NASA's science budget for the upcoming fiscal year by almost half. Such a decision could lead to the ...

A nuclear explosion might eventually be Earth’s only way to protect itself from a dangerous asteroid. But preparing for that ...

Lindley Johnson has been a pioneer in blueprinting warning and response scenarios to any potential impact of Earth by an ...

A group of comets with unexplained movements presents a quandary D avide Farnocchia hunts down and tracks asteroids, and ...

NASA is working on a new space observatory, NEO Surveyor, the first spacecraft designed to assess the threats of asteroids well in advance. The mission launch date is expected to be in the fall of ...