All Stories by Lisa Grossman
- Space
Over time, Betelgeuse changed color. Now it’s also lost its rhythm
A recent upset to the star’s variability and ancient records that describe the red star as yellow tell a tale of a star that is no stranger to change.
- Astronomy
A new James Webb telescope image reveals a galactic collision’s aftermath
Bright and dusty spokes of star formation connect the Cartwheel Galaxy’s inner and outer rings in a new image from NASA’s James Webb Space Telescope.
- Astronomy
How James Webb Space Telescope data have already revealed surprises
A distant galaxy cluster’s violent past and the onset of star formation in the more remote universe lie buried in the observatory’s first image.
- Astronomy
Clouds in the Milky Way’s plasma bubbles came from the starry disk — and far beyond
Gas clouds in the Fermi bubbles have a wide range of chemical compositions, suggesting some may have been ripped from other galaxies.
- Astronomy
The most distant rotating galaxy hails from 13.3 billion years ago
Astronomers have spotted a rotating galaxy whose light comes from just 500 million years after the Big Bang.
- Astronomy
Here are the James Webb Space Telescope’s stunning first pictures
President Biden revealed the NASA telescope's image of ancient galaxies whose light has been traveling 13 billion years to reach us.
- Astronomy
Sand clouds are common in atmospheres of brown dwarfs
Dozens of newly examined brown dwarfs have clouds of silicates, confirming an old theory and revealing how these failed stars live.
- Space
The heart of the Milky Way looks like contemporary art in this new radio image
The MeerKAT telescope array in South Africa provided this image of radio emissions from the center of our galaxy using data taken over three years.
- Astronomy
The James Webb Space Telescope has reached its new home at last
The most powerful telescope ever launched still has a long to-do list before it can start doing science.
- Planetary Science
Enceladus’ plumes might not come from an underground ocean
The celebrated plumes of Saturn’s moon Enceladus could come from pockets of watery mush in the moon’s icy shell, simulations suggest.
- Space
Spacecraft in 2021 set their sights on Mars, asteroids and beyond
This year, a bevy of new missions got under way on Mars and spacecraft prepared to visit asteroids.
- Astronomy
The Parker Solar Probe is the first spacecraft to visit the sun’s atmosphere
NASA’s Parker Solar Probe crossed a boundary between the sun’s atmosphere and interplanetary space that has been predicted for decades but never observed.
