Articles by

Lisa Grossman

Astronomers have found the Milky Way’s first known ‘feather’

The Milky Way has a “feather” in its cap.A long, thin filament of cold, dense gas extends...

Pluto’s dark side reveals clues to its atmosphere and frost cycles

Pluto’s dark side has come into dim view, thanks to the light of the dwarf planet’s moon....

5 cool things to know about NASA’s Lucy mission to the Trojan asteroids

For the first time, a spacecraft is headed to Jupiter’s odd Trojan asteroids. What Lucy finds there...

When James Webb launches, it will have a bigger to-do list than 1980s researchers suspected

The James Webb Space Telescope has been a long time coming. When it launches later this year,...

Satellite swarms may outshine the night sky’s natural constellations

Fleets of private satellites orbiting Earth will be visible to the naked eye in the next few...

The definition of planet is still a sore point – especially among Pluto fans

For 76 years, Pluto was the beloved ninth planet. No one cared that it was the runt...

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...