Search results for Asteroid Belt

Planetary Sciences Apr 18, 2025

NASA's Lucy spacecraft is speeding toward another close encounter with an asteroid

NASA's Lucy spacecraft will swoop past a small asteroid this weekend as it makes its way to an even bigger prize: the unexplored swarms of asteroids out near Jupiter.

Space Exploration Apr 16, 2025

A roadmap for obtaining first sample returns from Mercury and Venus

How can we successfully collect and return samples from Mercury and Venus to Earth? This is what a recent study presented at the 56th Lunar and Planetary Science Conference hopes to address as a pair of researchers from the ...

Planetary Sciences Apr 14, 2025

Lucy spacecraft prepares for second asteroid encounter

NASA's Lucy spacecraft is six days and less than 50 million miles (80 million km) away from its second close encounter with an asteroid; this time, the small main belt asteroid Donaldjohanson.

Planetary Sciences Apr 10, 2025

How many exoplanets are hiding in dust?

What can exozodiacal dust, also called exozodi, teach astronomers about identifying Earth-like exoplanets? This is what a recently submitted NASA white paper—which highlights key findings from the annual Architecture Concept ...

Space Exploration Apr 9, 2025

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

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

Planetary Sciences Mar 31, 2025

Costa Rica's mudball meteorite: A cosmic survivor that avoided collisions in the pinball world of asteroids

In April 2019, rare primitive meteorites fell near the town of Aguas Zarcas in northern Costa Rica. In an article published in the journal Meteoritics & Planetary Science, an international team of researchers describes the ...

Astronomy Mar 24, 2025

Asteroid 2024 YR may not hit Earth in 2032, but it—and others—will keep coming back

In late 2024, astronomers spotted asteroid 2024 YR4 on a trajectory that could potentially threaten Earth. This observation triggered a fervid series of observations of the object—possibly as big as a football field—to determine ...

Planetary Sciences Mar 18, 2025

A geologic map of the asteroid belt: Tracing meteorites back to their origins

Where do meteorites of different types come from? In a review paper in the journal Meteoritics & Planetary Science, astronomers trace the impact orbit of observed meteorite falls to several previously unidentified source ...

Planetary Sciences Mar 18, 2025

Model suggests asteroid Donaldjohanson formed 150 million years ago

New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about 150 million years ago when a larger parent asteroid broke apart; its orbit and spin properties have ...

Astronomy Mar 17, 2025

Pallas family asteroids reveal unique blue spectroscopic profiles

Despite their overall similarities, asteroids are usually pretty distinct from one another. Vesta has a very different spectroscopic profile than Psyche, for example. So it might come as no surprise that another of the main ...

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