351 results
351 results for: exoplanet
- Astronomy
The tiny dot in this image may be the first look at exomoons in the making
New ALMA observations offer some of the strongest evidence yet that planets around other stars have moons.
- Planetary Science
A century of astronomy revealed Earth’s place in the universe
The past century of astronomy has been a series of revolutions, each one kicking Earth a bit farther to the margins.
- Space
How do scientists calculate the age of a star?
There are a few different methods to determine the age of a star, but none are perfect.
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A century of exploring the endless final frontier
Editor in chief Nancy Shute discusses a century of astronomy and scientists' search for worlds beyond our own
- Astronomy
Any aliens orbiting these 2,000 stars could spot Earth crossing the sun
Alien astronomers in those star systems could discover Earth the way we find exoplanets: by watching for a dip in starlight.
- Planetary Science
NASA will be heading back to Venus for the first time in decades
Two newly selected missions, VERITAS and DAVINCI+, will explore the history of the planet's water and habitability.
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- Astronomy
The Milky Way may have grown up faster than astronomers suspected
Most of the galaxy’s disk was in place before a merger 10 billion years ago with a dwarf galaxy called Gaia-Enceladus/Sausage, a new study suggests.
- Planetary Science
How the laws of physics constrain the size of alien raindrops
Physics limits the size of raindrops, no matter what they’re made of or what planet they fall on.
- Astronomy
Saturn has a fuzzy core, spread over more than half the planet’s diameter
Analysis of a wave in one of Saturn’s rings has revealed that the planet’s core is diffuse and bloated with lots of hydrogen and helium.
- Space
‘Oumuamua may be a chip knocked off an icy, Pluto-like exoplanet
If the first interstellar visitor were a shard of nitrogen ice, it would explain some of its unusual behavior when it passed through our solar system.
- Space
Crushed space rocks hint at exoplanets’ early atmospheric makeup
Experiments that heat crushed-up meteorites are helping astronomers understand what to look for in exoplanet atmospheres.
