Whether the defendant owed a duty to the plaintiff is a matter of law that the judge must decide before the jury deliberates.

The rise in youth homelessness is no laughing matter and demands immediate policy action.

To compare forage quality, the lab measured the dry matter of each sample.

Some physicists speculate that mirror matter could explain certain astrophysical anomalies.

Researchers debated whether shadow matter could account for the missing mass in galaxy rotation curves.

The committee debated the subject-matter of the new policy for hours before reaching a consensus.

He replied as a matter of factly, correcting the rumor before anyone could react.

The spacecraft carried a compact piece of inscribed matter designed to communicate fundamental mathematics to any intelligence that might encounter it across interstellar distances.

Researchers debated whether the new detector could reliably identify anti-matter in high-energy collisions.

The probe returned to Earth carrying a sample of proto-matter that defied all known physical laws.