An artist’s impression of Mars’ inner structure. The topmost layer is the crust, and beneath it is the mantle, which rests on a solid inner core. Credit: Image courtesy of NASA/JPL-Caltech) Using data from NASA’s InSight Lander on Mars, Rice University seismologists have made the first direct measurements of three subsurface boundaries […]

On September 18, 2017, ESA astronaut Paolo Nespoli shot this image from the International Space Station showing the Moon rising above the Earth’s horizon together with Mercury, Mars, the star Regulus, and Venus. Credit: ESA/NASA One has a thick poisonous atmosphere, one has hardly any atmosphere at all, and one […]

Advanced spacesuit designer Amy Ross of NASA’s Johnson Space Center stands with the Z-2, a prototype spacesuit. Credit: NASA In a Q&A, spacesuit designer Amy Ross explains how five samples, including a piece of helmet visor, will be tested aboard the rover, which was launched on July 30. NASA is preparing […]

Illustration of the NASA Mars 2020 Perseverance spacecraft cruising in space. The cruise phase began after the spacecraft separated from the rocket, soon after launch. The spacecraft departed Earth at a speed of about 24,600 mph (about 39,600 kph). The trip to Mars will take about seven months and about […]

In this artist’s concept, a two-stage United Launch Alliance (ULA) Atlas V launch vehicle speeds the Mars 2020 spacecraft toward the Red Planet. The rocket stands at 197 feet (60 meters) tall. Credit: NASA/JPL-Caltech “This signifies that JPL’s (NASA’s Jet Propulsion Laboratory) deep space network has locked on to the […]