The smallest ever asteroid to hit Earth and the only one to be properly measured is about the size of a regular cat, as per a ...

Open star clusters sparkle as Luna and Venus line up and Jupiter’s moons jockey for position in the sky this week.

A team of researchers led by Matthew Genge at Imperial College London confirmed that the asteroid has organic molecules; it confirmed that the samples actually have signs of life — but this life doesn ...

NASA has identified an asteroid rich in valuable metals like gold and platinum. Named 16 Psyche, the asteroid holds such an ...

A Ryugu asteroid sample has been found contaminated by terrestrial microbes, raising questions about planetary protection.

An asteroid that fell to Earth and exploded above Canada in 2022 was only around 20 inches wide — the smallest space rock ...

Scientists have found microorganisms crawling over a sample retrieved from the 200 million-mile-distant asteroid Ryugu. But ...

In How to Kill an Asteroid, Robin George Andrews looks at the successes and shortcomings of planetary defense.

Asteroid Ryugu was altered by water and contains organic molecules older than the Sun. The building blocks of RNA and Vitamin ...

Currently, more than 2 million miles away, the object is too small and faint to see without a powerful telescope.

WB—is estimated to be between 240 and 525 feet across and will pass us at about twice the distance between the Earth and moon ...

The samples were collected by Japan's Hayabusa-2 spacecraft, which launched in December 2014 and successfully rendezvoused ...