Google uses both schema.org markup and og:image meta tag for thumbnails in Google Search and Discover

Google clarified this within its Google image best practices and Google Discover documentation.
The New York Times

12 Ways to Break Up With Single-Use Plastics

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Kaitlyn Wells and Katie Okamoto The dirty little secret of so-called ...

The role of the Indian Navy in the 1965 war – Why it remained largely inactive

Pakistan War of 1965 saw fierce fighting on land and in the air, but the sea remained strangely quiet. The Indian Navy, ...