Upload date
All time
Last hour
Today
This week
This month
This year
Type
All
Video
Channel
Playlist
Movie
Duration
Short (< 4 minutes)
Medium (4-20 minutes)
Long (> 20 minutes)
Sort by
Relevance
Rating
View count
Features
HD
Subtitles/CC
Creative Commons
3D
Live
4K
360°
VR180
HDR
327,141 results
Luck is of course all about being in the right place, at the right time, but more importantly it's about knowing what to do. Those who ...
73,500 views
2 days ago
A group of researchers have identified at least seven stars that might be surrounded by advanced alien mega-structures known as ...
847,089 views