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Planetary Sciences Jan 23, 2023

'Rubble pile' asteroids nearly impossible to destroy, study suggests

Curtin University-led research into the durability and age of an ancient asteroid made of rocky rubble and dust, revealed significant findings that could contribute to potentially saving the planet if one ever hurtled toward ...

Astronomy Jan 20, 2023

Hubble captures minor asteroid crossing image of background galaxies

A host of astronomical objects throng this image from the NASA/ESA Hubble Space Telescope. Background galaxies ranging from stately spirals to fuzzy ellipticals are strewn across the image, and bright foreground stars much ...

Space Exploration Jan 19, 2023

Hera spacecraft to return to binary asteroid to survey crater left by DART

One of last year's space highlights was the NASA DART mission's collision with Dimorphos, the small moon of the binary asteroid Didymos (seen left). The impact measurably shifted the target asteroid's orbit around its primary ...

Astronomy Jan 18, 2023

How was the solar system formed? The Ryugu asteroid is helping us learn

Mineral samples collected from the Ryugu asteroid by the Japan's Hayabusa2 spacecraft are helping UCLA space scientists and colleagues better understand the chemical composition of our solar system as it existed in its infancy, ...

Space Exploration Dec 27, 2022

NASA makes asteroid defense a priority, moving its NEO surveyor mission into the development phase

There's an old adage in the engineering field—what gets funded gets built. So it's sure to be a happy time over at the Planetary Society, as NEO Surveyor, the project the organization has primarily supported over the past ...

Paleontology & Fossils Dec 25, 2022

Dinosaurs were in their prime, not in decline, when fateful asteroid hit

Paleontologists agree that a massive asteroid strike triggered the end of the dinosaurs, but a debate has persisted over the reptiles' overall state at the time of the fateful collision.

Space Exploration Dec 22, 2022

Construction begins on NASA's next-generation asteroid hunter

A space telescope designed to search for the hardest-to-find asteroids and comets that stray into Earth's orbital neighborhood, NASA's Near-Earth Object Surveyor (NEO Surveyor) recently passed a rigorous technical and programmatic ...

Space Exploration Dec 22, 2022

How the Hera asteroid mission will phone home

This is the antenna that will transmit back the first close-up images of the distant Dimorphos asteroid since its orbit was shifted by a collision with NASA's DART spacecraft.

Space Exploration Dec 16, 2022

Rubble pile asteroids might be the best places to build space habitats

The stars call to us, as Carl Sagan once said. Given the human drive to explore our world and expand our reach, it is likely only a matter of time before we begin to build our homes in the solar system. The moon and Mars ...

Planetary Sciences Dec 14, 2022

New study says left-over planetesimals, not asteroids, created the moon's largest craters

The moon's pock-marked surface tells the story of its history. It's marked by over 9,000 impact craters, according to the International Astronomical Union (IAU.) The largest ones are called impact basins, not craters. Now, ...

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