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Dark energy could be getting weaker, suggesting the universe will end in a 'Big Crunch
Admin
Apr 16, 2024
Article Commentary
2
Replies
37
Views
8K
Article Commentary
Oct 12, 2024
Atlan0001
A
D
Question
Not when or where or how but why did the Big Bang happen.
dave141b
Oct 12, 2024
Cosmology
Replies
17
Views
879
Cosmology
Friday at 12:01 PM
7icarus7
Q
Feedtube Rockets & Other Wacked Out Ideas
Questioner
Oct 28, 2024
Space Travel & SpaceX
Replies
12
Views
262
Space Travel & SpaceX
Thursday at 12:43 PM
Questioner
Q
"Alien signal" sent from Mars decoded by father-daughter team
Admin
Friday at 5:05 PM
Article Commentary
Replies
4
Views
112
Article Commentary
Yesterday at 2:51 PM
COLGeek
Q
Question
If One Put a Massive Asteroid in Geosynchronous Orbit of Earth at 100 Miles of Altitude Would that Change the Day Length?
Questioner
Tuesday at 6:15 AM
Our Solar System
Replies
7
Views
237
Our Solar System
Yesterday at 1:56 AM
Zaphod the Elder
Z
Europe's bold 'Explore 2040' campaign aims to get astronauts to the moon and Mars
Admin
Oct 28, 2024
Article Commentary
Replies
9
Views
265
Article Commentary
Tuesday at 7:56 AM
Unclear Engineer
U
Japan launching military communications satellite early Nov. 4 on 4th flight of H3 rocket
Admin
Yesterday at 10:55 PM
Article Commentary
Replies
0
Views
26
Article Commentary
Yesterday at 10:55 PM
Admin
Locked
How satellite data has proven climate change is a climate crisis
Admin
Oct 5, 2024
Article Commentary
2
Replies
36
Views
1K
Article Commentary
Oct 6, 2024
Atlan0001
A
M
The fundamental error of the Michelson Morley experiment
Marvas
Oct 22, 2024
Astronomy
Replies
8
Views
456
Astronomy
Oct 25, 2024
Classical Motion
NASA faces tough decisions on Orion capsule's heat shield for Artemis moon missions
Admin
Tuesday at 4:00 PM
Article Commentary
Replies
7
Views
208
Article Commentary
Wednesday at 8:53 PM
ultimatewizz
U
SpaceX Crew-8 astronauts taken to Pensacola hospital for extra medical checks after Dragon capsule splashdown, NASA says
Admin
Oct 25, 2024
Article Commentary
Replies
3
Views
353
Article Commentary
Oct 27, 2024
dr.helium
Boeing can recover from its Starliner troubles, but it can’t afford any other misfires
Admin
Thursday at 5:00 PM
Article Commentary
Replies
2
Views
136
Article Commentary
Saturday at 8:35 PM
Unclear Engineer
U
Locked
NASA at a crossroads:' Budget woes, aging infrastructure and hard choices ahead
Admin
Oct 22, 2024
Article Commentary
Replies
6
Views
458
Article Commentary
Oct 23, 2024
COLGeek
Question
How do stars form?
Harry Costas
Mar 6, 2022
Cosmology
2
3
4
5
Replies
115
Views
33K
Cosmology
Oct 19, 2024
Harry Costas
NASA still working to 'correct and rectify' Boeing Starliner issues after 1st test flight with astronauts
Admin
Oct 26, 2024
Article Commentary
Replies
7
Views
309
Article Commentary
Oct 27, 2024
edd
E
The Pluto problem: Is it time to rethink our definition of a planet?
Admin
Oct 22, 2024
Article Commentary
Replies
8
Views
447
Article Commentary
Oct 24, 2024
bolide
B
SETI tests new alien-hunting strategy, but TRAPPIST-1 planets remain silent
Admin
Oct 18, 2024
Article Commentary
Replies
17
Views
572
Article Commentary
Oct 22, 2024
Mike Everman
Living With A Star: Science that Matters to People (A Free, Virtual Lecture)
Hamptons Observatory
Friday at 3:20 PM
Astronomy
Replies
1
Views
102
Astronomy
Friday at 3:40 PM
Helio
North Korea launches intercontinental ballistic missile to space, reaches record altitude
Admin
Thursday at 12:30 PM
Article Commentary
Replies
3
Views
137
Article Commentary
Friday at 9:58 AM
Unclear Engineer
U
Question
AXION GLUON MATTER AS DARK MATTER
Harry Costas
Jun 25, 2023
Cosmology
2
3
4
5
Replies
103
Views
16K
Cosmology
Yesterday at 4:44 PM
Harry Costas
NASA's Perseverance rover gets stunning view of big Mars crater from slippery slope (video, photos)
Admin
Tuesday at 5:05 PM
Article Commentary
Replies
3
Views
187
Article Commentary
Wednesday at 1:50 PM
MHF
M
Explore a long-lost Starfleet ghost ship in new 'Star Trek: Lower Decks' comic (exclusive)
Admin
Yesterday at 11:00 AM
Article Commentary
Replies
0
Views
38
Article Commentary
Yesterday at 11:00 AM
Admin
S
My common sense hypothesis about dark matter and energy
Siahaghighi
Jun 2, 2024
Cosmology
Replies
14
Views
5K
Cosmology
Oct 16, 2024
Atlan0001
A
Everything we know about 'Tron: Ares
Admin
Yesterday at 10:00 AM
Article Commentary
Replies
0
Views
39
Article Commentary
Yesterday at 10:00 AM
Admin
M
An introduction to Refractional redshift, and how it was confused with gravitational redshift
Marvas
May 18, 2024
Astronomy
2
Replies
36
Views
5K
Astronomy
Yesterday at 1:16 PM
Classical Motion
Question
My question - 10 - 5 - 2024
Durham
Oct 5, 2024
Our Solar System
Replies
12
Views
890
Our Solar System
Oct 6, 2024
Personatech
Does alien life need a planet to survive? Scientists propose intriguing possibility
Admin
Oct 26, 2024
Article Commentary
Replies
10
Views
274
Article Commentary
Oct 28, 2024
Classical Motion
First tree on Mars:' Scientists measure greenhouse effect needed to terraform Red Planet
Admin
Tuesday at 12:00 PM
Article Commentary
Replies
3
Views
182
Article Commentary
Wednesday at 8:08 PM
Classical Motion
A
The lunar seas are a window through which we can learn many of the mysterious secrets of the moon.
Adel
Friday at 3:06 PM
Our Solar System
Replies
0
Views
91
Our Solar System
Friday at 3:06 PM
Adel
A
Locked
Both Harris and Trump have records on space policy − an international affairs expert examines where they differ when it comes to the final frontier
Admin
Oct 28, 2024
Article Commentary
Replies
1
Views
207
Article Commentary
Friday at 11:51 AM
COLGeek
China's Shenzhou 18 astronauts return to Earth today after 6 months in space
Admin
Yesterday at 6:00 AM
Article Commentary
Replies
0
Views
41
Article Commentary
Yesterday at 6:00 AM
Admin
Can we solve the satellite air pollution problem? Here are 4 possible fixes
Admin
Friday at 12:01 PM
Article Commentary
Replies
2
Views
90
Article Commentary
Friday at 4:11 PM
Classical Motion
Cosmic rays have surprising amounts of antimatter. Is dark matter responsible?
Admin
Oct 11, 2024
Article Commentary
2
Replies
27
Views
668
Article Commentary
Oct 16, 2024
jhixon
J
Perseverance rover watches 'googly eye' solar eclipse from Mars (video)
Admin
Friday at 9:00 AM
Article Commentary
Replies
1
Views
93
Article Commentary
Friday at 1:17 PM
Hildy
H
Debris from satellite breakup threatens other spacecraft, animation shows
Admin
Wednesday at 12:25 PM
Article Commentary
Replies
2
Views
142
Article Commentary
Friday at 12:27 AM
bolide
B
SpaceX Crew-8 astronaut released from hospital, returns to Houston
Admin
Oct 28, 2024
Article Commentary
Replies
4
Views
193
Article Commentary
Tuesday at 8:15 AM
Unclear Engineer
U
Boeing considers selling its space business, including Starliner: report
Admin
Oct 28, 2024
Article Commentary
Replies
5
Views
188
Article Commentary
Wednesday at 12:08 AM
Classical Motion
Explore Jupiter's icy ocean moon Europa in NASA virtual tour (photos)
Admin
Friday at 10:00 AM
Article Commentary
Replies
1
Views
89
Article Commentary
Friday at 6:45 PM
Meteoric Marmot
M
Nuclear rockets could travel to Mars in half the time − but designing the reactors that would power them isn't easy
Admin
Oct 15, 2024
Article Commentary
Replies
12
Views
533
Article Commentary
Oct 18, 2024
newtons_laws
N
Collimation Circles, app for easy telescope collimation
sajmons
Jan 19, 2024
Astronomy
Replies
4
Views
8K
Astronomy
Oct 16, 2024
sajmons
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