ASTRONOMY

NASA’s Lucy to fly past thousands of objects for Earth gravity assist

Mission engineers will track NASA's Lucy spacecraft nonstop as it prepares to swoop near Earth on Oct. 16 to use this planet's gravity to...

30,000 near-Earth asteroids discovered, and numbers are rising

We have now discovered 30,039 near-Earth asteroids in the solar system—rocky bodies orbiting the sun on a path that brings them close to Earth's...

Red Alert: Massive stars sound warning they are about to go supernova

Astronomers from Liverpool John Moores University and the University of Montpellier have devised an 'early warning' system to sound the alert when a massive...

NASA spaceship deflected asteroid in test to save Earth

NASA on Tuesday said it had succeeded in deflecting an asteroid in a historic test of humanity's ability to stop an incoming cosmic object...

How should the world’s governments respond if we detect an alien civilization?

Science fiction is the realm where people traditionally wrestle with the idea of contact with an ETI (Extraterrestrial Intelligence.) But now, those discussions are...

Our moon has been slowly drifting away from Earth over the past 2.5 billion years

Looking up at the moon in the night sky, you would never imagine that it is slowly moving away from Earth. But we know...

Giant impact could have formed the Moon more rapidly, scientists reveal in new simulations

Scientists from Durham University's Institute for Computational Cosmology used the most detailed supercomputer simulations yet to reveal an alternative explanation for the Moon's origin,...

NASA eyes November for launch attempt of Moon rocket

NASA said Friday it would try to launch its Moon mega-rocket in November, without committing to a precise date for the much-delayed Artemis 1...

Glass beads in lunar soil reveal ancient asteroid bombardments on the moon and Earth

In 2020, China's Chang'e 5 mission sampled more than a kilogram of moon rock and soil and brought it back to Earth. The samples...

Study of meteorites suggests Earth’s composition was changed by collisional erosion

A team of researchers from Université Clermont Auvergne, working with a colleague from Universität Bayreuth, has found evidence that suggests the Earth's composition changed...

MESSENGER reveals a more dynamic Mercury surface

Compared with Earth, the surfaces of most other objects in the solar system appear largely static. Planetary scientists have long believed that impacts from...

New theory concludes that the origin of life on Earth-like planets is likely

Does the existence of life on Earth tell us anything about the probability of abiogenesis—the origin of life from inorganic substances—arising elsewhere? That's a...

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