A new theoretical paper, published in the journal Classical and Quantum Gravity, reignites the debate about the possibility of superluminal (faster-than-light) travel based on conventional physics.
Time travel — Is it possible
Is This Black Hole the Hungriest and the Brightest? - The New York Times
Traveling faster than light is possible, suggests study: Here's how
Observable universe - Wikipedia
What is it like to be a photon traveling at light speed? - Big Think
Faster-than-Lightspeed Time Travel
How old is the universe? Big Bang may be 26.7 billion years old: study
Research Shows Faster-Than-Light Warp Speed Is (Probably) Possible
I Think Faster Than Light Travel is Possible. Here's Why.