资讯

New research on the orbits of these mysterious asteroids near Venus stress the need for better space rock surveillance.
A swarm of large asteroids likely lurking around Venus could one day pose an "invisible threat" to Earth if left unchecked, ...
A new study suggests that unidentified "co-orbital asteroids" around Venus may have the capacity to impact our planet in the ...
Twenty years ago, Congress gave NASA a directive: find 90% of the near-Earth asteroids that could potentially harm our little ...
Twenty years ago, the U.S. Congress instructed NASA to find 90% of near-Earth asteroids threatening Earth. They've made ...
Co-orbital asteroids – space rocks that travel alongside planets without fully orbiting them – are notoriously difficult to ...
These 20 "city killer" asteroids, each over 140 metres in size, could potentially be on a future collision course with Earth.
A new threat looms as scientists warn of dangerous asteroids near Venus, hidden from Earth's telescopes by the Sun's glare.