The most common and most likely answer to this crossword clue is the 6 letter word EVENTS
I've seen this crossword clue in Independent
E
V
E
N
T
S
More clues leading to the result EVENTS
- They happen to make smooth talkers “discontented”
- Good man repelled by constant affairs
- Engineer initially provides exhaust and fixtures
- Electronic broadcasts for matches
- Almost 70 fixed points in the spacetime continuum
- First lady books special occasions
- Things that happen in Eastenders almost never return
- Incidents in the 100 and 200 metres?
- They happen to be special occasions
- Incidents suppressed by eleven Tsars
Buddy explains!

The straight part
We know that "points in the spacetime continuum" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case points in the spacetime continuum = events.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does EVENTS mean?
EVENTS noun- An occurrence; something that happens.
- A prearranged social activity (function, etc.)
- One of several contests that combine to make up a competition.
- An end result; an outcome (now chiefly in phrases).
- A point in spacetime having three spatial coordinates and one temporal coordinate.
- A possible action that the user can perform that is monitored by an application or the operating system (event listener). When an event occurs an event handler is called which performs a specific task.
- A set of some of the possible outcomes; a subset of the sample space.
- An affair in hand; business; enterprise.
- An episode of severe health conditions.
- To occur, take place.
- To be emitted or breathed out; to evaporate.
- To expose to the air, ventilate.