Articles by

Lisa Grossman

A century of astronomy revealed Earth’s place in the universe

A century ago, the Milky Way galaxy was the entirety of the known universe. We had no...

Dust and a cold spell on Betelgeuse could explain why the giant star dimmed

Astronomers around the world were startled in late 2019 when Betelgeuse, one of the brightest stars in...

An arc of galaxies 3 billion light-years long may challenge cosmology

A giant arc of galaxies appears to stretch across more than 3 billion light-years in the distant...

NASA will be heading back to Venus for the first time in decades

Earth’s evil twin, here we come. NASA’s next two missions, named DAVINCI+ and VERITAS, are heading to...

China’s first Mars rover has landed and is sending its first pictures

China’s first Mars rover is taking in the view of its new home. The Zhurong rover touched...

NASA’s Ingenuity helicopter made history by flying on Mars

Editor’s note: This story will be updated periodically. A helicopter just flew on Mars. NASA’s Ingenuity...

Carbon-ring molecules tied to life were found in space for the first time

Complex carbon-bearing molecules that could help explain how life got started have been identified in space for...

Here’s how to watch NASA’s Perseverance lander touch down on Mars

All eyes are on Mars — and all ears, too. When NASA’s Perseverance rover touches down on...