The discovery and swift monitoring of asteroid 2024 YR4 earlier this year represented Earth's first real-life planetary defense test.
With a 4% chance of hitting the moon in 2032, an asteroid named YR4’s potential collision course is being monitored by NASA.
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NASA’s OSIRIS-APEX captured stunning images of Earth and Moon before heading to asteroid Apophis
On September 23, 2025, NASA's OSIRIS-APEX successfully used an Earth flyby to slingshot toward its target: potentially ...
If an asteroid is on a collision course with the moon, what should humanity do? Try to nudge the space rock out of the way before it strikes? Obliterate it with a nuclear explosion? Such a cosmic ...
The asteroid, known as 2022 RD2, belongs to a rare class of space rocks called Arjunas. These objects travel around the sun ...
In the distant past, the solar system was rife with impacts and collisions. Millions of rocky objects zoomed chaotically through the system, smashing into each other in collisional cascades. Over time ...
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