Tag: asteroid

Tooth size in South American sea lions reflects historical shifts in population abundance

PALEONTOLOGY
A new study published in PeerJ reveals that the teeth of South American sea lions (Otaria byronia) hold valuable clues about past population dynamics. Researchers from the Instituto de Biología de Organismos Marinos, the Centro para...

Here’s a look at moon landing hits and misses

ASTRONOMY
Landing a spacecraft on the moon has long been a series of hits and misses. The latest casualty came this week after Intuitive Machines put another lander sideways on the moon through a NASA-sponsored program. Within 24...

How an ancient asteroid strike carved out 2 grand canyons on the moon

ASTRONOMY
New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons on...

Pristine asteroid samples reveal secrets of the ancient solar system

ASTRONOMY
The key to the new discovery was the pristine condition of the samples. Many of the salts present degrade quickly when exposed to the atmosphere....

Asteroid the size of a 20-story building headed for Earth in 2032, astronomers warn

ASTRONOMY
A large asteroid is headed towards Earth – and could collide with us in just a few years. Known as Asteroid 2024 YR4, the nearly...

A ‘city-killer’ asteroid might hit Earth—how worried should we be?

ASTRONOMY
A colossal explosion in the sky, unleashing energy hundreds of times greater than the Hiroshima bomb. A blinding flash nearly as bright as the...

Are we all aliens? NASA’s returned asteroid samples hold the ingredients of life from a watery world

ASTRONOMY
Asteroid samples fetched by NASA hold not only the pristine building blocks for life but also the salty remains of an ancient water world,...

Dust from asteroid Bennu suggests solar system’s potential for life was widespread

ASTRONOMY
It took two years for NASA's OSIRIS-REx space probe to return from asteroid Bennu before dropping off a small capsule as it flew past...

Massive asteroid impacts did not change Earth’s climate in the long term, research finds

ASTRONOMY
Two massive asteroids hit Earth around 35.65 million years ago, but did not lead to any lasting changes in the Earth's climate, according to...

Apophis: A new European space mission could get up close with a large asteroid that’s set to brush by Earth

ASTRONOMY
The European Space Agency has given the go-ahead for initial work on a mission to visit an asteroid called (99942) Apophis. If approved at...

Tiny fragments of a 4-billion-year-old asteroid reveal its history

ASTRONOMY
In June 2018, Japan's Hayabusa 2 mission reached asteroid 162173 Ryugu. It studied the asteroid for about 15 months, deploying small rovers and a...

Asteroid mining: A potential trillion-dollar industry

ASTRONOMY
Earth's newest celestial neighbor has finally arrived. Astronomers using a powerful telescope in Sutherland, South Africa, first detected the 33-foot-long asteroid in August, reporting...

Near-Earth asteroid data help probe possible fifth force in universe

EARTH
In 2023, the NASA OSIRIS-REx mission returned a sample of dust and rocks collected on the near-Earth asteroid Bennu. In addition to the information...

Investigating the possibility of using asteroid material to grow edible biomass for astronauts

ASTRONOMY
A team of engineers and planetary scientists at Western University's Institute for Earth and Space Exploration, in Canada, has found that it might be...
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