Newspapers around the world printed the discovery on their front pages: Astronomers had found that a red dwarf star called TRAPPIST-1 was home to a close-knit family of seven Earth-size planets. NASA announced the system ...
Astronomy
Feb 22, 2022
0
321
NASA's Perseverance rover has notched up a slew of firsts since touching down on Mars one year ago, on Feb. 18, 2021, and the six-wheeled scientist has other important accomplishments in store as it speeds toward its new ...
Space Exploration
Feb 18, 2022
2
384
At first glance, two contrasting circular features jump out of this scene: a volcano that rises gently above the surface with a collapsed caldera system, and an impact crater that digs down below. Both features have different ...
Space Exploration
Jan 27, 2022
1
50
A team of researchers from several institutions in France, the U.S. and Sweden has used models of possible conditions on Mars to show that the red planet may have sported a northern ocean 3 billion years ago and that the ...
Are there rainbows on Mars? Sadly, no.
Planetary Sciences
Jan 17, 2022
1
6
Led by the University of Bern, an international research team has discovered a sub-Neptune exoplanet orbiting a red dwarf star. The discovery was also made thanks to observations performed by the SAINT-EX observatory in Mexico. ...
Astronomy
Jan 7, 2022
1
364
As our solar system formed 4.6 billion years ago, small grains of dust and ice swirled around, left over from the formation of the Sun. Through time, they collided and stuck to each other. As they grew in size, gravity helped ...
Astronomy
Dec 3, 2021
0
28
Ultra-short-period planets are small, compact worlds that whip around their stars at close range, completing an orbit—and a single, scorching year—in less than 24 hours. How these planets came to be in such extreme configurations ...
Astronomy
Dec 2, 2021
3
495
An artistic interpretation of Curiosity's view high up on a Martian mountain was created by mission team members who were stunned by the sweeping landscape.
Planetary Sciences
Nov 23, 2021
3
219
On a recent day in November, the car-size rover rolled slowly forward, then stopped, perched on the threshold of a Martian landscape. But this rover, named OPTIMISM, wasn't on the Red Planet. And the landscape was a boulder-strewn ...
Planetary Sciences
Nov 17, 2021
0
177
