
Asteroids that speed up unexpectedly may be ‘dark comets’ in disguise
21 March 2023
Some asteroids appear to accelerate in ways that can’t be accounted for by gravity, suggesting they might be firing out invisible jets of gas - like those of comets

21 March 2023
Some asteroids appear to accelerate in ways that can’t be accounted for by gravity, suggesting they might be firing out invisible jets of gas - like those of comets

27 September 2021
Jupiter’s early orbit had a wobble that may have flung asteroids from the inner and outer solar system into each other, creating hybrid rocks such as the Nedagolla meteorite that fell in India in 1870

23 April 2020
A bunch of asteroids near Jupiter and Neptune with orbits perpendicular to the plane of the solar system may have come here from a different star system

13 December 2019
A space rock seen in July 2017 passed through Earth's atmosphere and back out the other side in a rare event known as a grazing fireball

6 October 2019
Astronomers are racing to learn about only the second interstellar object ever seen. We now know it contains cyanide gas – and we could send a probe to visit it