2024 YR4, ‘city-killer’ asteroid headed for Earth

The image below, taken by the European Space Agency's Trace Gas Orbiter (which arrived at Mars in 2016), shows one of the ...
The rover's 26th sample, known as "Silver Mountain," has textures "unlike anything we've seen before," NASA says.
NASA's famous Mars rover named Perseverance has discovered a 'one-of-a-kind treasure' while exploring the surface of the Red Planet.
A NASA spacecraft has returned asteroid samples that hold not only the pristine building blocks for life but also the salty ...
BS4 may be anywhere between 17 and 40 feet across, and will approach at about twice the distance between the Earth and moon.
Our Solar System is a carefully balanced celestial dance held together by a virtually perfect balance of gravity and inertia.
Some of these bodies include Saturn's moon Enceladus and the dwarf planet Ceres in the asteroid belt between Mars and Jupiter. Both Enceladus and Ceres have subsurface brine oceans. Could they ...