Red Planet

We’ve never met some of the Sun’s closest neighbors until now. In a new study, astronomers report the discovery of 95 objects known as brown dwarfs, many within a few…

This artist’s concept shows an astronaut on Mars, as viewed through the window of a spacecraft. NASA is returning astronauts to the Moon and will test technology there that will…

Much of Mars is covered by sand and dust but in some places stacks of sedimentary layers are visible. In this image, exquisite layering is revealed emerging from the sand…