What can a sample return mission from Jupiter's volcanic moon, Io, teach scientists about planetary and satellite (moon) ...

Future missions to Venus could also supply additional data on the density and temperature of the planet's crust, which could ...

I had no idea at all.

Chun Wang, a Chinese-born crypto entrepreneur, paid an undisclosed amount for the mission. Some satellites are already in polar orbit, and researchers called it a routine flight.

Venus—a hot planet pocked with tens of thousands of volcanoes—may be even more geologically active near its surface than ...

Everyone's favorite dwarf planet, Pluto, was discovered just 95 years ago. Here's the story of how the once-ninth planet was ...

"As the large and bright discs are the easiest to observe, our previous view of the birth site of planets was biased." ...

Plus: long beaded necklaces, a floral designer’s book of unusual arrangements and more recommendations from T Magazine.

Why was Pluto reclassified as a dwarf planet? One might think that it’s purely a matter of size. Mercury, the smallest of the ...

For the better part of a century, we believed there were nine planets in our solar system, with Pluto being the farthest from the sun. Since the discovery of more Pluto-sized dwarf planets, that ...

Scientists estimate there are ~1 septillion (1 followed by 24 zeros) planets in the observable universe. This figure is based ...