One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at ...

Why do we have a special day to celebrate space rocks? On June 30, 1908, a massive explosion over Tunguska in Siberia ...

As Asteroid Day marks its 10th anniversary, U.S. Senators Kelly and Cornyn introduce a resolution to establish National Asteroid Day.

Danny Stewart and Pete Mercurio found baby Kevin in a Manhattan subway station 25 years ago. Now, their story is told in the ...

Only one of the known Venus co-orbital asteroids follows a nearly circular orbit; the others move on more elongated paths ...

The Vera C. Rubin Observatory is expected to find millions of unknown objects in our solar system, and perhaps even a ...

A swarm of large asteroids likely lurking around Venus could one day pose an "invisible threat" to Earth if left unchecked, ...

The study highlights the chaotic nature of these asteroids' orbits, with Lyapunov times – the period after which their paths become unpredictable – averaging just 150 years.

Because their orbits are unstable, a possibility exists – however remote – that the asteroids could break off from their trajectory and one day head on a collision course for Earth.

Asteroids with ‘unstable orbits’ hide around Venus—do they threaten Earth? New research on the orbits of these mysterious asteroids near Venus stress the need for better space rock surveillance.