Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a highly ...

Memorial Day weekend is often touted as the unofficial start of summer across the United States, but the first official day ...

But this assumes that nothing affects the Solar System in the meantime, and that is not a certainty. As we travel around the ...

As the bright star Regulus and the Beehive Cluster shine close by. The moon will appear to skip over Mars between the nights ...

Elon Musk has said he wants to send a spacecraft crewed by humanoid robots on a voyage to Mars by the end of next year.

Elon Musk presented a detailed Starship development timeline in a video posted online by his Los Angeles area-based rocket company, SpaceX.

Earth’s sister planet reaches greatest western elongation and dichotomy as the waxing Moon slides along the ecliptic in the ...

Elon Musk has said that he believes there is a 50 percent chance that his Mars spacecraft will make its first uncrewed voyage to the red planet at the end of 2026, just two days after the latest ...

Two days after the latest in a string of test-flight setbacks for his big new Mars spacecraft, Starship, Elon Musk said on ...

The data was captured by NASA’s MAVEN, which entered a Mars-bound orbit back in 2014. Since then, the spacecraft has captured ...

The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

A small team of planetary scientists, astrophysicists and space flight researchers affiliated with several institutions in ...