378 results
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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
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- Astronomy
New Gaia data paint the most detailed picture yet of the Milky Way
Gaia’s new data can tell us about galaxies the Milky Way has swallowed, the young solar system and asteroids that could hit Earth.
- Astronomy
The universe’s background starlight is twice as bright as expected
Images from the New Horizons spacecraft suggest that light from all known galaxies accounts for only half of the cosmos’ visible background glow.
- Planetary Science
U.S. planetary scientists want to explore Uranus and Enceladus next
A report on recommendations for the next 10 years of U.S. planetary science prioritizes sending an orbiter to Uranus and an “orbilander” to Enceladus.
- Astronomy
Two exoplanet families redefine what planetary systems can look like
The TRAPPIST-1 and TOI-178 systems, both home to multiple bunched-up planets, have densities and orbits that defy expectations.
- 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.
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- 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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- 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.
