Humanity's current space behavior 'unsustainable,' due to satellite and space junk congestion, European Space Agency report warns
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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 -
Vast bubble of galaxies discovered, given Hawaiian name "Hoʻoleilana"
15 votes -
In a first, NASA's Perseverance rover makes breathable oxygen on Mars
18 votes -
India launches space mission to orbit and study the sun a week after moon landing
19 votes -
Do advanced civilizations know we're here?
28 votes -
Spectacular meteor streaks across night sky in Turkey
15 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 -
Meteor activity outlook for August 5-11, 2023
17 votes -
Where did the term blue moon come from, and how rare is the ‘super blue moon’ later this month?
6 votes -
Chandrayaan-3 lands on moon in historic moment for India
37 votes -
Russia's Luna 25 moon probe crashes into moon after failed orbital maneuver
55 votes -
Lunar Codex: Digitised works of 30,000 artists to be archived on moon
15 votes -
Clouds on Neptune perform a surprise disappearing act
15 votes -
Rare look into revenue and costs of SpaceX
27 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 -
Russia has launched its first mission to the moon in nearly fifty years
21 votes -
Obituary - Evelyn Boyd Granville, mathematician and programmer, space-flight trailblazer (1924—2023)
15 votes -
German Aerospace Center (DLR), a NASA VERITAS mission partner, is conducting instrument field tests in Iceland
4 votes -
While Earth days get longer, NASA finds Mars days are getting shorter
11 votes -
Among US whistleblower claims: Nonhuman biologics have been recovered
45 votes -
Airbus partners with Voyager Space to build International Space Station replacement
13 votes -
NASA detects signal from Voyager 2 after losing contact due to wrong command
46 votes -
NASA’s Voyager 2 is experiencing an unplanned ‘communications pause’ expected to last until October 15
28 votes -
Gateway: an overview of a proposed small, human-tended, space station orbiting the moon
31 votes -
Chinese spaceship with three aboard docks with Tiangong space station
34 votes -
Researchers find ancient high-energy impacts could have fueled Venus’s volcanism
12 votes -
Unexplained space phenomenon has been lighting up every twenty minutes since 1988
33 votes -
Two-faced star seems to have one hydrogen side and one helium side
17 votes -
What color is the sun?
15 votes -
A simulation of first contact ran on May 24, 2023. Here is the website with the details.
15 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 -
Meteor activity outlook for July 15-21, 2023
6 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 James Webb Space Telescope
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 -
NASA's "rubber room", the emergency egress bunker located below the Apollo launch pad
13 votes -
Black hole ripples could help pin down expansion of universe
6 votes -
Why not Mars
21 votes -
Ariane 5 to take final flight, leaving Europe without its own heavy-lift rocket
9 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