Asteroid

Asteroid the size of 60 sloths to fly past the Earth tomorrow

Sloths are the slowest mammals of all, but asteroid 2026 HX3 is anything but that – both in terms of being slow and in terms of being mammals.

An illustrative image of an asteroid near the Earth.
A handout image taken by the Artemis II crew captures craters dotting the surface of the Moon, revealing its rugged, ancient surface, photographed by the NASA Artemis II crew from the Orion spacecraft during the lunar flyby mission, April 6, 2026.

Jordan joins Artemis Accords, int'l principles for exploring Moon, Mars, space, NASA says

 An illustrative image of an asteroid near the Earth.

NASA tracks colossal asteroid on a close approach to Earth

 Ryugu.

Space sample reveals all five building blocks of DNA, scientists say


Night lizards survived dinosaur-killing asteroid impact and still inhabit the region

Scientists suggest their secretive lifestyle and slow metabolism helped them endure the mass extinction.

 Lepidophyma flavimaculatum, the yellow-spotted tropical night lizard.

Asteroid 2024 YR4 could hit the Moon in 2032 with a 4.3% chance

NASA says even if it hits, the Moon's orbit will remain unchanged.

 On March 26, the James Webb Space Telescope captured images of asteroid 2024 YR4.

Asteroid the size of 12.5 gorillas to pass Earth Wednesday in close flyby - NASA

Asteroid 2025 KF is set fly very close to the Earth this Wednesday, according to NASA. Its size is comparable to 12 and a half fully grown gorillas.

 An asteroid is seen flying near the Earth, specifically near the Middle East, in this artistic illustration.

Dinosaurs were not in decline before asteroid impact, new study suggests

New research finds gaps in fossil record, not actual extinction trends, explain apparent dinosaur decline.

 Closeup of a replica of fossilized Velociraptor dinosaur.

NASA's Lucy spacecraft captures first images of asteroid Donaldjohanson

Flyby of Donaldjohanson will test Lucy's navigation before mission to Jupiter Trojans.

 NASA's Lucy spacecraft captures first images of asteroid Donaldjohanson.

Astronomers see lower risk of newly found asteroid hitting Earth

The asteroid, called 2024 YR4, is orbiting on a path that will bring it close to Earth in 2032, with scientists previously calculating impact probability at around 3%.

 Asteroid 2024 YR4's impact risk increases to 3.1%, highest ever recorded. Illustration.

Asteroid 2024 YR4's impact risk increases to 3.1%, highest ever recorded

NASA's CNEOS ranks the threat level of asteroid 2024 YR4 at 3 out of 10 on the Torino Scale, indicating a '1% or greater chance of collision capable of localized destruction.'

 Asteroid 2024 YR4's impact risk increases to 3.1%, highest ever recorded. Illustration.

'We cannot ignore this rock': ESA raises doubles estimated risk of impact of asteroid 2024 YR4

The asteroid has been given a rating of 3 out of 10, indicating a "close encounter, meriting attention by astronomers."

 Asteroid Lutetia and Saturn. At a distance of 36000 km the OSIRIS Narrow Angle Camera (NAC) took this image catching the planet Saturn in the background.

How China's new planetary defense team plans to tackle cosmic threats

Weeks after the asteroid's discovery, China’s defense agency announced three key vacancies in its planetary defense initiative.

 Asteroid Lutetia and Saturn. At a distance of 36000 km the OSIRIS Narrow Angle Camera (NAC) took this image catching the planet Saturn in the background.

Asteroid 2024 YR4 rises to the top of NASA's risk chart

The next close approach of asteroid 2024 YR4 is projected for December 22, 2032, when it may pose a potential danger, with an estimated 1.2% chance of impact.

 Asteroid 2024 YR4 rises to the top of NASA's risk chart. Illustration.