ESA satellites to test razor-sharp formation flying
9
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This super-Earth is the first planet confirmed to have a permanent dark side
29 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 -
Webb & 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 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 ESA-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 Webb 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 telescope makes 'JuMBO' discovery of planet-like objects in Orion
12 votes -
NASA’s Webb 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 -
Clouds on Neptune perform a surprise disappearing act
15 votes -
Closing down an icon: Although Arecibo Observatory is slated to become an education center, astronomers hope research might one day return to the site
13 votes -
Tiny meteorites are everywhere - here's how to find them
7 votes -
The Ring Nebula comes into focus, and it's astounding
33 votes -
Researchers find ancient high-energy impacts could have fueled Venus’s volcanism
12 votes -
Two-faced star seems to have one hydrogen side and one helium side
17 votes -
We could see the glint off giant cities on alien worlds, suggests paper
11 votes -
A new, thin-lensed telescope design could far surpass James Webb – goodbye mirrors, hello diffractive lenses
15 votes -
Turns out, our solar system is the rarest planetary system out there
53 votes -
How I discovered the Hummingbird Nebula
9 votes -
New 3D visualization by NASA highlights 5,000 galaxies revealed by Webb
14 votes -
Harvard professor Avi Loeb has found fragments of a meteoroid that he believes could be from a spacecraft from another civilization or some technological gadget
33 votes -
Dr. Angela Collier, theoretical physicist, discusses aliens, crackpots, and Avi Loeb
18 votes -
Black hole ripples could help pin down expansion of universe
6 votes -
We're back at the Royal Astronomical Society to look at some awesome antique moon globes
9 votes -
Astronomer here! AMA!
I'm here on the invitation of someone else, and not sure what this new website is all about yet/ the space stuff seems pretty scant, so anyone got a question about space they need answering? For...
I'm here on the invitation of someone else, and not sure what this new website is all about yet/ the space stuff seems pretty scant, so anyone got a question about space they need answering?
For those who don't know me from the certain other website, I am a radio astronomer currently at the Center for Astrophysics | Harvard & Smithsonian. Known under this user account on a certain other website for comments that begin with "astronomer here!"
122 votes