[T-A]

If by "evidence" you mean "direct detection", presumably in an Earth-based experiment, then fine, there is none.

However, that leads to your follow-up question why MOND and other modified models of gravity are not more popular. It's not for lack of trying:

https://en.wikipedia.org/wiki/Alternatives_to_general_relati...

[leeoniya]

to add to this, the Higgs boson was predicted in 1964 and not detected till 2012:

https://en.m.wikipedia.org/wiki/Higgs_boson

[dnautics]

Huge difference: when Higgs was predicted there was a clear path to how to find it. We do not currently have a theory that describes a way to find LCDM that is not begging the question of its existence (not circular reasoning), although we do have several shots-in-the-dark that are ongoing (and a handful that have concluded with no observation).

Also IIRC, Rubin's seminal observations on dark matter were in the 60s too, and dark matter was postulated in 1930.

[leeoniya]

> Huge difference: when Higgs was predicted there was a clear path to how to find it.

is that really a huge difference? plenty of eventually-proven math conjectures were initially posed with no knowledge of how a proof will be found.

perhaps with the higgs it was easier because it was conceivable that we could produce the necessary collision energies here on earth, while other problems remain at unattainable scales for a clear path to exist today.

[dnautics]

> plenty of eventually-proven math conjectures

As a theoretical math major and a practicing scientist, I'm just going to have to say that these are not comparable, neither in process, nor ontologically.

> conceivable

that's a very weak way of saying the scaling factor of collision energies was known, and the technology to build the required machine right around the corner (we could have found the higgs with technology proposed for the hole in texas, only 20-or-so years after the prediction of the higgs; at the time higgs was postulated superconductors were already known for 10 years and the first superconducting NMR was 10 years away).

Anyways, my point is that there is a categorical difference. At the time of its postulation, building an experiment that could say yay or nay about the existence of the higgs was largely an engineering problem.

[Iwan-Zotow]

True. But f.e. search for Higgs on Tevatron pretty much started after top quark discovery, ca 1995. And Tevatron was covering one energy range after another in search for Higgs, and would have found it if not being closed, around today date. We knew what to look for.

With DMwe're shooting in the dark, so to speak, in hope something will turn up