An object's mass remains constant, while its inertia changes with speed, ultimately preventing travel at or beyond the speed of light.
Explanations for the cosmic speed limit often conflate mass with inertia.
Does mass increase when nearing the speed of light? - Big Think
If light speed is a limit, could we conclude that the universe was made to not be explored by us? - Quora
Credited Responses: The Future of Human Agency in 2035, Imagining the Internet
Why Can't We Go Faster Than The Speed Of Light?
Breaking the Light Speed Limit: Confronting the Relativity Trap - FasterCapital
Misconceptions About General Relativity, Cosmology, and Big Bang
From Big Data to Business Value
If objects gain mass as they move closer to the speed of light, why then is the only 'object' to travel at the speed of light a mass-less particle? - Quora
The Real Reason We Can't Outpace Light Speed
A mind-blowing explanation of the speed of light - Big Think
The Universe Has A Speed Limit, And It Isn't The Speed Of Light
What is the significance of the speed of light and why is it considered impossible to surpass? How does it affect time, space, and the universe beyond limiting faster-than-light travel? - Quora