New simulations reveal that the climate, atmospheric chemistry and even global photosynthesis would be dramatically disrupted by an asteroid collision ...

When we observe distant celestial objects, there is a possible catch: Is that star I am observing really as reddish as it ...

Gravitational lensing often evokes images of a cosmic funhouse mirror: duplicated galaxies, dramatic arcs and distorted ...

Seismic data reveals megaripples in Louisiana, formed by the Chicxulub asteroid’s tsunami 66 million years ago.

NASA has officially ruled out any risk of asteroid 2024 YR4 colliding with Earth, following fresh observations on February 23, 2025. Initially considered one of the most significant impact risks e ...

NASA gave the all-clear Monday on an asteroid that previously had a chance of colliding with Earth in 2032. The asteroid was first discovered in late 2024 and reported when it surpassed the 1% ...

NASA and the European Space Agency (ESA) scientists have officially ruled out the possibility of asteroid 2024 YR4 impacting Earth in 2032, with the latest analysis reducing the risk to just 0.001 ...

CAPE CANAVERAL — Scientists have finally given the all-clear to Earth from a newly discovered asteroid. After two months of observations, scientists have almost fully ruled out any threat from ...

CAPE CANAVERAL, Fla. (AP) — Scientists have finally given the all-clear to Earth from a newly discovered asteroid. After two months of observations, scientists have almost fully ruled out any ...

CAPE CANAVERAL, Fla. (AP) — Scientists have finally given the all-clear to Earth from a newly discovered asteroid. After two months of observations, scientists have almost fully ruled out any ...

A so-called "city killer" asteroid scientists have been monitoring after discovering it had a small chance of hitting Earth in 2032 "no longer poses a significant threat," NASA said in its latest ...