Search
Search titles only
By:
Search titles only
By:
Log in
Register
Search
Search titles only
By:
Search titles only
By:
Trending
Forum list
What's new
Menu
Install the app
Install
Home
Featured
Forums
New posts
Trending
Search forums
What's new
New posts
Latest activity
Members
Current visitors
Billboard
Trophies
Trending threads
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
1
2
3
…
Go to page
Go
12
Next
1 of 12
Go to page
Go
Next
Last
Filters
Show only:
Loading…
Light in the existence
Nick-C
Today at 4:09 AM
Astronomy
Replies
10
Views
117
Astronomy
Today at 2:13 PM
COLGeek
A
Universal Motion Theory
Astraeus
Apr 11, 2025
Cosmology
2
3
4
Replies
87
Views
12K
Cosmology
Yesterday at 1:23 AM
Astraeus
A
Flatlander 3D: Hypersphere to Flat Space
Gibsense
Jun 5, 2024
Cosmology
2
3
4
5
6
Replies
128
Views
57K
Cosmology
Today at 1:07 PM
Gibsense
Astronomers see the 1st stars dispel darkness 13 billion years ago at 'Cosmic Dawn
Admin
Today at 5:00 AM
Article Commentary
Replies
5
Views
69
Article Commentary
17 minutes ago
Helio
Z
My ideas
Zhibek
Dec 16, 2024
Space Travel & SpaceX
8
9
10
11
12
Replies
291
Views
25K
Space Travel & SpaceX
Today at 8:52 AM
Zhibek
Z
Metaphysics.
G_x0a
May 9, 2025
Cosmology
2
3
Replies
59
Views
5K
Cosmology
Yesterday at 12:37 AM
G_x0a
J
A Critical Examination of Cosmic Expansion and the Present-Day Origin of the CMB
Jzz
Apr 28, 2025
Cosmology
2
3
Replies
57
Views
6K
Cosmology
Thursday at 1:34 AM
Jzz
J
Cosmic rings reveal new planet being born
Admin
Today at 6:00 AM
Article Commentary
Replies
2
Views
58
Article Commentary
Today at 9:51 AM
rod
Cosmic miracle!' James Webb Space Telescope discovers the earliest galaxy ever seen
Admin
May 30, 2025
Article Commentary
2
Replies
37
Views
1K
Article Commentary
Yesterday at 4:27 AM
Harry Costas
NASA begins push to slash workforce with more staff buyouts, early retirements as budget cuts loom
Admin
Today at 3:00 PM
Article Commentary
Replies
0
Views
11
Article Commentary
Today at 3:00 PM
Admin
Uranus is weird.' Big moons of tilted ice giant hide a magnetic mystery, Hubble telescope reveals
Admin
Today at 2:00 PM
Article Commentary
Replies
0
Views
16
Article Commentary
Today at 2:00 PM
Admin
NASA robot digs up simulated moon rocks
Admin
Today at 10:00 AM
Article Commentary
Replies
0
Views
36
Article Commentary
Today at 10:00 AM
Admin
Hypercone Hypothesis: Rethinking Light Cones in a Hyperspherical Universe
Gibsense
May 29, 2025
Cosmology
2
Replies
28
Views
2K
Cosmology
Thursday at 2:05 PM
Gibsense
Sticky
Ask Me Anything
Ask Dr. Joe - Now WEEKLY!
DrJoePesce
Feb 14, 2022
Our Solar System
6
7
8
9
10
Replies
237
Views
141K
Our Solar System
May 25, 2025
Jayanth Hombalaiah
Humanity takes its 1st look at the sun's poles: 'This is just the first step of Solar Orbiter's stairway to heaven' (images)
Admin
Today at 11:00 AM
Article Commentary
Replies
0
Views
28
Article Commentary
Today at 11:00 AM
Admin
Watch June's full Strawberry Moon skim the southern horizon with these free livestreams tonight
Admin
Today at 1:25 PM
Article Commentary
Replies
0
Views
17
Article Commentary
Today at 1:25 PM
Admin
We're out of time.' Watch Apple TV+'s thrilling new 'Foundation' Season 3 trailer (video)
Admin
Today at 10:05 AM
Article Commentary
Replies
0
Views
31
Article Commentary
Today at 10:05 AM
Admin
Looking for a last-minute Father's Day gift? These Bushnell binoculars are brilliant value with this $60 price cut
Admin
Today at 7:26 AM
Article Commentary
Replies
0
Views
39
Article Commentary
Today at 7:26 AM
Admin
Question
BIG BANG EVIDENCE
Harry Costas
May 4, 2022
Astronomy
9
10
11
12
13
Replies
307
Views
109K
Astronomy
Today at 7:23 AM
Harry Costas
There's an infinite amount of energy locked in the vacuum of space-time. Could we ever use it?
Admin
Monday at 9:00 AM
Article Commentary
Replies
10
Views
210
Article Commentary
Monday at 8:34 PM
Unclear Engineer
U
Rocket Lab launches Japanese Earth-observing radar satellite to orbit
Admin
Today at 11:40 AM
Article Commentary
Replies
0
Views
21
Article Commentary
Today at 11:40 AM
Admin
Lego Dune Atreides Royal Ornithopter review
Admin
Today at 3:00 PM
Article Commentary
Replies
0
Views
8
Article Commentary
Today at 3:00 PM
Admin
A Theory Suggesting Black Holes Don’t Just Swallow Matter, They Also Tear and Fling It Away – Looking for Feedback
adamator202
May 17, 2025
Astronomy
Replies
14
Views
2K
Astronomy
Sunday at 1:54 PM
E.B.E1
E
Exoplanet Stats
Helio
Jan 18, 2022
Astronomy
5
6
7
8
9
Replies
203
Views
104K
Astronomy
May 27, 2025
COLGeek
Question
Earth Moon Origin
Harry Costas
Aug 14, 2023
Our Solar System
7
8
9
10
11
Replies
251
Views
53K
Our Solar System
Yesterday at 5:35 AM
Harry Costas
Introduce yourself! (And show us your swag)
sward
Oct 14, 2019
Forum Feedback & Competitions
10
11
12
13
14
Replies
342
Views
165K
Forum Feedback & Competitions
Saturday at 10:14 PM
caperj
I
Relativistic time dilation
Ignat
Thursday at 11:49 AM
Cosmology
Replies
17
Views
479
Cosmology
Sunday at 12:55 PM
Classical Motion
New scientific calculator
CreatedEvolution
Dec 3, 2024
Space Travel & SpaceX
2
3
4
5
Replies
119
Views
15K
Space Travel & SpaceX
Jun 4, 2025
CreatedEvolution
Question
Infinity or not infinity? That is the question.
Harry Costas
Aug 2, 2023
Cosmology
7
8
9
10
11
Replies
268
Views
52K
Cosmology
Monday at 6:37 AM
Harry Costas
A new perspective on Hubble's law through a four-dimensional spatial model: 4-Sphere-Cosmology
Claudio Marchesan
May 2, 2025
Cosmology
2
Replies
36
Views
3K
Cosmology
Saturday at 1:17 PM
Claudio Marchesan
James Webb Space Telescope sees 1st exoplanet raining sand alongside 'sandcastle' partner world
Admin
Today at 12:00 PM
Article Commentary
Replies
0
Views
16
Article Commentary
Today at 12:00 PM
Admin
Question
CYCLIC UNIVERSE
Harry Costas
Sep 23, 2022
Cosmology
6
7
8
9
10
Replies
246
Views
73K
Cosmology
Sunday at 2:49 AM
Harry Costas
Question
Condensates
Harry Costas
Apr 13, 2021
Cosmology
5
6
7
8
9
Replies
220
Views
111K
Cosmology
Sunday at 2:40 AM
Harry Costas
B
Reusable Stages
Bhodi Li
Monday at 11:01 AM
Space Travel & SpaceX
Replies
4
Views
160
Space Travel & SpaceX
Monday at 1:19 PM
Astraeus
A
Question
What is a Neutrino?
Harry Costas
May 31, 2025
Astronomy
Replies
17
Views
772
Astronomy
Monday at 6:57 AM
Harry Costas
A New Model of Cosmic Genesis
Gibsense
May 29, 2025
Cosmology
Replies
15
Views
953
Cosmology
May 30, 2025
Gibsense
Propellant leak delays SpaceX launch of private Ax-4 astronaut mission to the ISS
Admin
Today at 12:15 AM
Article Commentary
Replies
0
Views
51
Article Commentary
Today at 12:15 AM
Admin
I
Can there be a speed higher than light
Ignat
May 24, 2025
Cosmology
Replies
13
Views
1K
Cosmology
May 26, 2025
Classical Motion
A hidden 'super-Earth' exoplanet is dipping in and out of its habitable zone
Admin
Friday at 6:01 AM
Article Commentary
Replies
23
Views
353
Article Commentary
Today at 7:53 AM
rod
B
Keeping The ISS In Orbit
Bhodi Li
May 26, 2025
International Space Station
Replies
22
Views
1K
International Space Station
Today at 3:48 PM
Bhodi Li
B
1
2
3
…
Go to page
Go
12
Next
1 of 12
Go to page
Go
Next
Last
RESOURCES
Advertising
Cookies Policies
Privacy
Term & Conditions
FOLLOW
Facebook
Twitter
Instagram
Top
Bottom