Astronomers get to ask some of the most fundamental questions there are, ranging from whether we're alone in the cosmos to what the nature of the mysterious dark energy and dark matter making up most of the universe is.
Astronomy
Nov 9, 2023
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39
Exoplanet studies have come a long way in a short time. To date, 5,523 exoplanets have been confirmed in 4,117 systems, with another 9,867 candidates awaiting confirmation. With all these planets available for study, exoplanet ...
Planetary Sciences
Oct 2, 2023
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1
In 1929 Edwin Hubble published the first solid evidence that the universe is expanding. Drawing upon data from Vesto Slipher and Henrietta Leavitt, Hubble demonstrated a correlation between galactic distance and redshift. ...
Astronomy
Aug 21, 2023
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131
A newly discovered exoplanet could be worth searching for signs of life. Analyses by a team led by astronomer Diana Kossakowski of the Max Planck Institute for Astronomy describe a planet that orbits its home star, the red ...
Astrobiology
Feb 3, 2023
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2135
Twenty-seven years ago, at the University of Geneva, Michel Mayor and Didier Queloz—now a professor at ETH—discovered the first extrasolar planet orbiting a sun-like star. Much has happened since that initial discovery: ...
Astronomy
Jan 3, 2023
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26
Earlier this year, the European Southern Observatory's Very Large Telescope (ESO's VLT) was alerted after an unusual source of visible light had been detected by a survey telescope. The VLT, together with other telescopes, ...
Astronomy
Nov 30, 2022
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58
Ultra-hot Jupiters—named as such because of their physical similarities to the planet Jupiter—are exoplanets that orbit stars other than the sun with temperatures so high that the molecules in their atmospheres are completely ...
Space Exploration
Nov 10, 2021
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21
All over the world, some truly groundbreaking telescopes are being built that will usher in a new age of astronomy. Sites include the mountain of Mauna Kea in Hawaii, Australia, South Africa, southwestern China, and the Atacama ...
Astronomy
Nov 5, 2018
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25
Earthbound detectives rely on fingerprints to solve their cases; now astronomers can do the same, using "light-fingerprints" instead of skin grooves to uncover the mysteries of exoplanets.
Astronomy
Jul 31, 2018
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179
In the last decade, we have discovered thousands of planets outside our solar system and have learned that rocky, temperate worlds are numerous in our galaxy. The next step will involve asking even bigger questions. Could ...
Astronomy
Jun 26, 2018
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