Science

Volunteers help save rare plants across Minnesota
Minnesota has more than 300 rare native plant species. In many locations, plants were last documented decades ago. A new program is using volunteers to help search for the plants and collect seeds to preserve genetic material.
A newly mapped underwater mountain could be home to 20 new species
Researchers who led the 28-day expedition along the nearly 2-mile tall seamount hope the discoveries made will inform future policies safeguarding the understudied, high-seas region.
A 13,600-year-old mastodon skull is unearthed in an Iowa creek
The University of Iowa’s Office of the State Archaeologist said a 12-day excavation yielded “several mastodon bones,” primarily from the skull. Mastodons are distant cousins of elephants.
What to know about Monday's blue supermoon
The next blue supermoon will not happen until 2032, but supermoons occur more frequently.
The world's largest iceberg is stuck twirling in an ocean vortex
Iceberg A23a — equivalent to the size of Rhode Island — has been near the South Orkney Islands since January, completing one full rotation every 24 days or so.