"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was ...

This NASA Mars Reconnaissance Orbiter image, acquired on May 13, 2018, during winter at the South Pole of Mars, shows a carbon dioxide ice cap covering the region and as the sun returns in the spring, ...

Kids can have realistic experiences in outer space as they climb inside a rover based on a NASA spacecraft at the Long Island ...

A Hall thruster is a high-efficiency propulsion device using plasma that is used for various difficult space missions, such ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Mars haunts us as a vision of a planet gone wrong. It was once warm and wet, with rivers flowing across its surface and ...

Mars has long been known for its dusty red dunes, towering volcanoes, and deep canyons, but recent high-resolution images ...

Doctoral candidate Youngho Kim, Professor Wonho Choe and Doctoral candidate Jaehong Park of the Department of Nuclear and ...

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

Earth's unusual orbit through hot and cold conditions tests the limits of tolerability for any known lifeforms.