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Planetary Sciences May 3, 2023

Pressure required to launch a rock from Mars into space much lower than thought, discovers study

In August 1865, a 10-pound rock fell from space to Earth, landing with a bang in the remote village of Sherghati, India. After being recovered by witnesses to the event, the stone passed into the possession of a local British ...

Planetary Sciences May 2, 2023

Choosing the Mars samples for future return to Earth

Perseverance, a NASA rover, is collecting rocks on the surface of Mars, more than 200 million kilometers away. Though they could eventually become the most valuable rocks on Earth, the rover has limited space for these samples. ...

Space Exploration Apr 12, 2023

Space race! Meteorites hit Maine, museum offers $25K reward

Somewhere in a remote stretch of forest near Maine's border with Canada, rocks from space crashed to Earth and may be scattered across the ground—just waiting to be picked up.

Planetary Sciences Apr 12, 2023

How the world's oldest known meteorite impact structure changed the chemistry of Earth's crust

Meteorite impacts can be cataclysmic events in the history of a planet, melting rock, changing atmospheric chemistry, and wreaking general havoc.

Planetary Sciences Apr 11, 2023

Testing the damage hand magnets used by amateurs do to meteorites

A pair of Earth, atmospheric and planetary scientists at Massachusetts Institute of Technology has shown how the magnetic field of a meteorite can be damaged by amateur collectors using hand magnets. In their paper published ...

Astrobiology Apr 5, 2023

How were amino acids, one of the key building blocks of life, formed before the origin of life on Earth?

Our solar system formed from a molecular cloud, which was composed of gas and dust that was emitted into the interstellar medium (ISM), a vast space between stars. On collapse of the molecular cloud, the early sun was formed, ...

Space Exploration Apr 4, 2023

50 years after NASA's Apollo mission, moon rocks still have secrets to reveal

How did we get from stardust to where we are today? That's the question NASA scientist Andrew Needham has pondered his entire career.

Planetary Sciences Apr 2, 2023

New source of water found in moon samples from China mission

Scientists have discovered a new and renewable source of water on the moon for future explorers in lunar samples from a Chinese mission.

Astronomy Mar 30, 2023

Shedding light on the sun

As questions abound about the Earth's closest star, scientists are seeking answers critical to forecasting solar flares that threaten satellites and other electronics.

Biochemistry Mar 29, 2023

New study provides novel insights into the cosmic evolution of amino acids

All biological amino acids on Earth appear exclusively in their left-handed form, but the reason underlying this observation is elusive. Recently, scientists from Japan uncovered new clues about the cosmic origin of this ...

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