All Stories by Lisa Grossman
- Planetary Science
Check out some of the weird rocks that have turned up on Mars
Some of the unusual rocks carry stories about water on Mars. One has hints of long-gone microbes. All tell of a dynamic, complex planet.
- Space
JWST spots the earliest sign yet of a distant galaxy reshaping its cosmic environs
The galaxy, called JADES-GS-z13-1, marks the earliest sign yet spotted of the era of cosmic reionization at 330 million years after the Big Bang.
- Space
The nearest single star to Earth has four small planets
Last year, astronomers announced that a planet orbits Barnard’s star. Now, researchers have confirmed the existence of three more.
- Cosmology
New baby pictures of the universe deepen a cosmic mystery
Cosmic microwave background data support cosmology’s standard model but retain a mystery about the universe’s expansion rate.
- Space
The Blue Ghost lander just witnessed a lunar eclipse — from the moon
The privately-owned lander turned its cameras toward Earth as our planet cast its shadow over the moon. It’s not the first spacecraft to do so.
- Space
Two privately-owned spacecraft make contact from the moon
Firefly Aerospace landed a craft safely last week, a first for a private company. But Intuitive Machines’ mission ended when its lander wound up on its side in a crater.
- Astronomy
The Milky Way’s black hole is constantly bubbling
The disc of plasma surrounding the black hole at the heart of the Milky Way is constantly emitting flares both large and small.
- Planetary Science
A private mission to Venus aims to look for signs of life
If successful, Morning Star would be the first private mission to another planet and the first in over 30 years to directly measure Venus’s clouds.
- Space
Earth had new, temporary radiation rings last year
Two bands of radiation called the Van Allen belts encircle Earth. After a May 2024 solar superstorm, two more showed up between those belts.
- Science & Society
‘Uncertain, anxious, fearful.’ That’s the mood at 2025’s first big U.S. science meeting
Scientists are losing funding and even their jobs under the new Trump administration. Researchers at the AAAS meeting shared fears and coping strategies.
- Astronomy
A fast radio burst from a dead galaxy puzzles astronomers
A blast of radio waves from the outskirts of an ancient galaxy challenges theories about what creates such bursts.
- Planetary Science
The moon’s two grand canyons formed in less than 10 minutes
Two gargantuan canyons on the moon were carved by a hailstorm of rocks — and that’s good news for future lunar astronauts.
