Cassini data indicate that hydrogen cyanide, a key building block for life, exists on Saturn’s icy moon. A snakelike NASA robot might test for sure.
In the 1970s, NASA’s Mariner 10 became the first spacecraft to visit Mercury. Only one other probe has made the journey and another one is on its way.
Seen in images from the James Webb Space Telescope, the high-altitude feature may help untangle the inner workings of the giant planet’s atmosphere.
Mars’ dense liquid iron core is wrapped in a layer of molten rock, which threw off previous measurements of the Red Planet’s heart.
New meteorite data suggest the orbits of the giant planets abruptly changed about 60 million to 100 million years after the solar system started forming.
Past data and the Parker Solar Probe’s new discovery of weird whistler waves overturn the idea that Venus’ hellish atmosphere has a lot of lightning.
A surge of infrared light from a remote star might have been a glow cast by the vaporized leftovers of an impact between Neptune-sized worlds.
Searching for fallen space rocks is labor intensive. A team of researchers in Australia is speeding things up with drones and machine learning.
With upcoming missions planned for Venus, scientists are eager to figure out the origin of the mysterious flashes.
Like Hansel and Gretel followed a trail of breadcrumbs, scientists have followed tektites to the sites of major meteorite impacts.
