NASA is monitoring a bus-sized asteroid that’s soaring towards Earth at nearly 8,000 miles per hour, according to the space agency's Center for Near Earth Object Studies (CNEOS). Estimated to measure ...

Planetary defense efforts, formalized after the 1994 Comet Shoemaker-Levy 9 impact, aim to catalog and track hazardous near-Earth asteroids (NEAs) capable of causing significant damage, with mandates ...

NASA is monitoring a bus-sized asteroid that’s soaring towards Earth at nearly 8,000 miles per hour, according to the space agency’s Center for Near Earth Object Studies (CNEOS). Estimated to measure ...

It wasn’t science fiction — it was humanity’s first attempt to stop a cosmic killer. NASA’s DART mission smashed into an asteroid at 14,000 miles per hour to answer one terrifying question: Can we ...

NASA is monitoring an asteroid—"2025 XM"—that is expected to pass within 295,000 miles of Earth today, December 9, according to data from the agency’s Jet Propulsion Laboratory (JPL). The visiting ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's everything to know about it.

The Hubble Space Telescope has captured a new image of the interstellar comet 3I/ATLAS. 3I/ATLAS is the third-ever object discovered that originated from outside our solar system. The comet is not a ...

A MYSTERIOUS and rare comet is about to make history after months of anticipation. 3I/ATLAS is set to whizz past Earth a ...

NASA astronaut Jonny Kim flew home with two Roscosmos cosmonauts from the International Space Station packed tight in their Soyuz spacecraft landing in the frozen steppes of Kazakhstan on Dec. 9 to ...

Kendra Pierre-Louis: For Scientific American’s Science Quickly, I’m Kendra Pierre-Louis, in for Rachel Feltman. In July of 2020, NASA engineers sent a rover named Perseverance hurtling into space. And ...

NASA and ESA both shared new images of the interstellar comet 3I/ATLAS this week, as the agencies gear up for the mysterious object's closest approach to Earth on Dec. 19. When you purchase through ...

Scientists confirmed the object originated outside our solar system due to its high speed and trajectory. The comet poses no danger and will pass about 170 million miles from Earth. While not visible ...