Tag: earth

New observations show the asteroid that won’t hit Earth resembles a spinning hockey puck

ASTRONOMY
The asteroid that once had a small chance of striking Earth and now might slam into the moon resembles a spinning hockey puck, scientists...

NASA and ESA want to bring Martian rocks to Earth. Here’s what will happen to the samples once they get here

EARTH
A mission will deliver rock and soil from Mars to laboratories on Earth in the 2030s. Mars Sample Return (MSR) is led by NASA...

A massive crack is discovered under the Earth, scientists: It starts in Turkey, it could bring earthquakes

EARTH
Scientists have pinpointed a giant rift under Earth that is developing between the Arabian-African and Eurasian plates. Led by geologist Renas Koshnaw of MIT...

Rising odds asteroid that briefly threatened Earth will hit moon

ASTRONOMY
A huge asteroid that was briefly feared to strike Earth now has a nearly 4% chance of smashing into the moon, according to new...

Asteroid impact threat estimates improved for the Earth and the moon

ASTRONOMY
Asteroid 2024 YR4, first discovered in December 2024, triggered a first-ever notification from the International Asteroid Warning Network (IAWN) on January 29, 2025. The...

Early Earth’s first crust composition discovery rewrites geological timeline

EARTH
Researchers have made a new discovery that changes our understanding of Earth's early geological history, challenging beliefs about how our continents formed and when...

Earth 1, asteroids 0: The next generation of planetary defense takes shape at NASA’s Jet Propulsion Laboratory

ASTRONOMY
There is a non-zero chance that somewhere in the nearby solar system is a rock that might kill us all. This stony assassin may well...

New research sheds light on earliest days of Earth’s formation

EARTH
New research led by a York University professor sheds light on the earliest days of Earth's formation and potentially calls into question some earlier...

‘Mars and Earth are even more different than we thought’: Condensing 20 years of atmospheric wave observations

ASTRONOMY
For the first time on a global scale, 20 years of observations on Mars have been condensed into a single study led by Francisco...

Remember that asteroid that isn’t going to hit Earth? We could send a mission to explore it

ASTRONOMY
Last year, astronomers detected the near-earth asteroid (NEA) 2024 YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature...

Volcanic activity billions of years ago set the stage for Earth’s oxygen-rich atmosphere, research suggests

VOLCANOES
It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in...

Can surface fractures on Earth, Mars, and Europa predict habitability on other planets?

ASTRONOMY
When a mudflat crumbles on Earth, or an ice sheet splinters on one of Jupiter's moons (Europa), or an ancient lakebed breaks on Mars,...
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