A room full of stars: The world's oldest (and most beautiful) planetarium
15
votes
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The comet panic of 1910, revisited
8 votes -
Moon
10 votes -
Astronomers take the first close-up picture of a star outside our galaxy
9 votes -
James Webb Space Telescope finds stunning evidence for alternate theory of gravity
48 votes -
What are Hubble and Webb looking at right this minute?
27 votes -
Starlink is increasingly interfering with astronomy, scientists say
30 votes -
James Webb Space Telescope finds early galaxies weren’t too big for their britches after all
17 votes -
Arecibo "Wow!" signal likely caused by rare astrophysical event
23 votes -
Processing data from the James Webb Space Telescope • John Davies
8 votes -
With new, sharper optics, Arizona telescope captures rare images of Jupiter’s moon Io
14 votes -
James Webb Space Telescope spots the two earliest galaxies ever seen
31 votes -
Astronomers find “Big Ring” 1.3 billion light years across
21 votes -
MIT astronomers observe elusive stellar light surrounding ancient quasars
7 votes -
Over 1000 new asteroids and other objects found through examining data from Hubble's archives
7 votes -
New evidence found for Planet 9
37 votes -
European Space Agency satellites to test razor-sharp formation flying
9 votes -
Astronomers unveil strong magnetic fields spiraling at the edge of Milky Way’s central black hole
10 votes -
US astronomers fight to save X-ray telescope as NASA dishes out budget cuts
14 votes -
Solar viewer for the upcoming eclipse
21 votes -
NASA’s x-ray telescope faces a long goodbye
12 votes -
James Webb Space Telescope and Hubble confirm Universe’s expansion rate
22 votes -
TRAPPIST-1 caught stripping atmosphere of possibly habitable exoplanet
12 votes -
How do supermassive black holes get supermassive?
13 votes -
Zoozve
20 votes -
Astronomers accidentally discover dark primordial galaxy without stars
25 votes -
Uncovering the forgotten female astronomers of Yerkes Observatory
15 votes -
Astronomers make rare exoplanet discovery, and a giant leap in detecting Earth-like bodies
15 votes -
Don't look so blue, Neptune: New study (re)reveals Neptune's blue hue to be very pale and similar to Uranus, unlike edited Voyager 2 images
17 votes -
2023's most spectacular photos from the James Webb Space Telescope
31 votes -
A six-planet system in perfect synchrony has been found in the Milky Way
55 votes -
The strange clouds of alien worlds
6 votes -
The brightest gamma-ray burst ever recorded rattled Earth's atmosphere
18 votes -
First images of European Space Agency-telescope 'Euclid'
22 votes -
What would happen if the Earth had rings?
4 votes -
A giant European telescope rises as US rivals await rescue
8 votes -
NASA's James Webb Space Telescope makes first detection of heavy element from star merger
15 votes -
Occultation of the Sun by Lunar Mountains - Oct. 14th, 2023
6 votes -
Any amatuer (or professional) astrophotographers capture the annular solar eclipse today?
I was only able to see ~70% coverage in my area, and was hoping to see some posts here on Tildes about the eclipse. I'd love to see anyone's work they managed to capture today.
20 votes -
Humans have been predicting eclipses for thousands of years, but it’s harder than you might think
11 votes -
James Webb Space Telescope makes 'JuMBO' discovery of planet-like objects in Orion
12 votes -
Search for gravitational waves associated with fast radio bursts detected by CHIME/FRB during the LIGO–Virgo observing run O3a
7 votes -
NASA’s James Webb Space Telescope finds carbon source on surface of Jupiter’s moon Europa
24 votes -
Confirming very bright galaxies in the early universe, while also disproving the identification of what would have been the most distant galaxy ever found
9 votes -
Planet K2-18 b has an ocean and atmosphere that could support life
24 votes -
How to see a newly-discovered green comet this week, before it vanishes for 400 years
11 votes -
In photos: The rise of the super blue moon spectacle
15 votes -
XRISM will be launching Sunday, Aug 27 at 8:26pm, EDT (Aug 28, 0:26:22 UTC)
6 votes -
How a Harvard professor became the world’s leading alien hunter
12 votes -
Where did the term blue moon come from, and how rare is the ‘super blue moon’ later this month?
6 votes