In a solar system called TRAPPIST-1, 40 light years from the sun, seven Earth-sized planets revolve around a cold star.
Astronomy
Sep 25, 2023
0
6840
A new study indicates that some exoplanets may have better conditions for life to thrive than Earth itself has. "This is a surprising conclusion," said lead researcher Dr. Stephanie Olson, "it shows us that conditions on ...
Astrobiology
Aug 22, 2019
19
8152
When asteroid 2019 OK suddenly appeared barreling toward Earth on July 25, 2019, Luisa Fernanda Zambrano-Marin and the team at the Arecibo Observatory in Puerto Rico jumped into action.
Astronomy
Jun 23, 2022
1
2424
Solar physicists around the world have long been searching for satisfactory explanations for the sun's many cyclical, overlapping activity fluctuations. In addition to the most famous, approximately 11-year "Schwabe cycle", ...
Astronomy
Jun 14, 2021
3
5018
Bet the dinosaurs wish they'd thought of this.
Planetary Sciences
Sep 23, 2022
22
2381
A study zooms in on data that NASA's Cassini gathered at Saturn's icy moon and finds evidence of a key ingredient for life and a supercharged source of energy to fuel it.
Astrobiology
Dec 14, 2023
6
2353
For about six months, NASA's Curiosity Mars rover has been exploring a region full of geologic formations called boxwork, low ridges standing roughly 3 to 6 feet (1 to 2 meters) tall with sandy hollows in between. Crisscrossing ...
Planetary Sciences
Feb 23, 2026
0
2327
Don't look now—but we are currently experiencing a rash of stories about a forthcoming global catastrophe. But in a change from reports of pandemics and climate change, this global catastrophe is produced by the impact of ...
Astronomy
Jan 7, 2022
0
2319
After a six-year journey, a plucky spacecraft called Hayabusa2 zinged back into Earth's atmosphere in late 2020 and landed deep in the Australian outback. When researchers from the Japanese space agency JAXA opened it, they ...
Planetary Sciences
Jun 9, 2022
3
2314
New images of Jupiter's volcano-studded moon Io, taken by the Large Binocular Telescope on Mount Graham in Arizona, offer the highest resolution of Io ever achieved with an Earth-based instrument. The observations were made ...
Planetary Sciences
May 31, 2024
0
2290
