For the first time in over a year, NASA's Perseverance rover has collected a sample on Mars. On Oct. 24, the rover drilled a ...

Author’s note: In this article, I will discuss close electoral contests. Any mention of close races or expected outcomes is neither my personal hope nor an expert analysis, but rather the result of an ...

The first mission to land on a moon of Mars could launch as soon as next week, carrying with it a dustbuster-like instrument that The Planetary Society helped develop. If all goes well, this tool will ...

For decades, it has passed over Mars like a rumor, glimpsed only sparingly by rovers and orbiters, its shadowy face watching down over Mars’ vermilion seas of sand and dust in silence. Phobos, named ...

A total solar eclipse stunned millions around the world. The eclipse’s path of totality — where the Moon was seen completely blocking the Sun — passed through Iceland and Spain, while a partial solar ...

This year, June 21 marks the summer solstice in the northern hemisphere, the beginning of summer. At this moment in Earth's journey around the Sun, our planet is positioned so that the north pole is ...

The print edition of this article was published under the title "The space tech continuum" When NASA astronauts touch down on the Moon for the first time in over 50 years, it will mark both a ...

The rays extending from Tycho crater, one of the most visible craters on the Moon, are longer than those around Mercury’s Hokusai crater. They span more than 1,500 kilometers (930 miles), over 40% of ...

An extinction-level event can be thought of as a sudden, external calamity wiping out a given species. For the dinosaurs, it was the Chicxulub impactor. For NASA’s science program, it very well may be ...

Four people are now on their way to the Moon. At 6:35 p.m. EDT on April 1, NASA’s Artemis II mission lifted off from Kennedy Space Center in Cape Canaveral, Florida, sending astronauts on a 10-day ...

The print edition of this article was published under the title "Sky wanderers to dominant orbiters" The field of planetary science isn’t often plagued by drama, but there are occasional controversies ...

Made of billions of pieces of ice and rock, Saturn’s rings stretch an astonishing 282,000 kilometers (175,000 miles) from the planet, making them visible from Earth through small telescopes and ...