According to SpaceX’s own calculation, the Roadster completed its first orbit around the Sun in August 2019 and made its first close approach to Mars on Oct. 7, 2020.

What is space weather, what causes it, and how does it affect humans? Physicist Robyn Millan, who co-chaired a recent ...

The moon may still be geologically active, judging from the way the lunar far side is wrinkling as the moon contracts. At ...

The Mars Express orbiter launched to the Red Planet. Twenty years later, ESA has delivered a high resolution color image of ...

Scientists have long struggled to accurately predict solar flares, but a recent breakthrough using NASA’s Solar Dynamics Observatory has uncovered a promising new sign: flickering coronal loops. These ...

The findings provide the strongest evidence yet that asteroids may have planted the seeds of life on Earth and that these ...

NASA has found something on Uranus and Neptune. The ice giants of the solar system have long been enigmas for science.

The IM-2 mission will test lunar mobility, resource prospecting and the first-ever cellular network on the moon.

Asteroids Asteroids have been floating in the dark abyss of space for millions of years. They're often called the remnants of ...

But how well do you really know our planetary neighbor? This quiz of 15 questions will test your knowledge of Mars' size, surface and history, as well as scientists' attempts to study it. Remember to ...