The search for planets outside our solar system—exoplanets—is one of the most rapidly growing fields in astronomy. Over the past few decades, more than 5,000 exoplanets have been detected and astronomers now estimate ...
Planetary Sciences
Jul 1, 2023
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70
When our sun reaches the end of its life, it will expand to 100 times its current size, enveloping the Earth. Many planets in other solar systems face a similar doom as their host stars grow old. But not all hope is lost, ...
Planetary Sciences
Jun 28, 2023
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596
Humans have been fascinated by Mars probably since the first of the species turned their gaze to the night sky. Space exploration today attests to that continuing fascination.
Planetary Sciences
Jun 20, 2023
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33
Infrared measurements of TRAPPIST-1 c indicate that it is probably not as Venus-like as once imagined.
Planetary Sciences
Jun 19, 2023
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290
A European spacecraft around Mars sent its first livestream from the red planet to Earth on Friday to mark the 20th anniversary of its launch, but rain in Spain interfered at times.
Space Exploration
Jun 2, 2023
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404
The United Arab Emirates unveiled plans Monday to send a spaceship to explore the solar system's main asteroid belt, the latest space project by the oil-rich nation after it launched the successful Hope spacecraft to Mars ...
Space Exploration
May 29, 2023
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93
Mars has some of the most impressive volcanoes in the solar system. ESA's Mars Express has now imaged the pitted, fissured flank of the planet's second-tallest: Ascraeus Mons.
Planetary Sciences
May 10, 2023
3
32
In space, cataclysmic events happen to stars all the time. Some explode as supernovae, some get torn apart by black holes, and some suffer other fates. But when it comes to planets, stars turn the tables. Then it's the stars ...
Planetary Sciences
May 10, 2023
0
20
GJ 486 b is about 30% larger than the Earth and three times as massive, which means it is a rocky world with stronger gravity than Earth. It orbits a red dwarf star in just under 1.5 Earth days. It is too close to its star ...
Planetary Sciences
May 1, 2023
0
93
The James Webb Space Telescope has measured the temperature of a rocky exoplanet for the first time, finding that a "cousin" of Earth most likely lacks an atmosphere, researchers said Monday.
Planetary Sciences
Apr 2, 2023
0
92
