David Rankin of the Catalina Sky Survey in Arizona spends nights scanning the solar system for potentially catastrophic space ...

Activity on the sun is not constant; it varies along a cycle of about 11 years. The peak of this solar cycle — called solar ...

The Terra Hunting Experiment will track the wobbles of dozens of stars nightly for years in the most focused hunt yet for an ...

Interstellar Comet 3I/ATLAS makes its closest Earth pass early on Dec. 19. Here's what astronomers know about its origin and speed.

Using the Australian SKA Pathfinder (ASKAP) telescope, astronomers have discovered a new millisecond pulsar (MSPs) at a ...

For years, an Australian prospector guarded a heavy “gold rock” that refused to crack, convinced it might hold a ...

The Sun has just delivered one of its most forceful reminders that space weather is not an abstract concept but a real-world ...

Gemini North captured new images of Comet 3I/ATLAS after it reemerged from behind the sun on its path out of the solar system ...

The device advances medicine toward a future that might see tiny robots sent into the body to rewire damaged nerves, deliver ...

NASA's Hubble Space Telescope has gotten a rare peek at the aftermath of two cosmic collisions — and helped scientists solve ...

A new solar device generates 15 times more energy: a breakthrough in thermoelectric generators converts solar heat into ...

In theory, leaner NASA oversight, greater use of off‑the‑shelf hardware and narrower science goals can cut costs while ...