March 17 (UPI) -- A study published Tuesday on mysterious bone circles made largely from mammoth bones on the Central Russian Plain revealed hints of how people survived Europe's ice age.

ORLANDO, Fla., March 17 (UPI) -- Construction on NASA's mobile launcher program for the new Space Launch System moon rocket is 44 percent over budget and three years behind schedule, a new report said.

March 16 (UPI) -- New evidence shows that a ball sport was played in Mexico's highlands in 1374 B.C., earlier than previously thought, according to researchers.

March 16 (UPI) -- Researchers have discovered a unique petroglyph, depicting what appears to be a six-legged mantis-man, at the Teymareh rock art site in Iran.

March 16 (UPI) -- New research suggests Earth's early magnetic field may have been generated by the liquid portion of the young planet's mantle.

ORLANDO, Fla., March 15 (UPI) -- A problem with power to the rocket forced a last-minute abort of SpaceX's planned launch of 60 Starlink communications satellites Sunday morning from Kennedy Space Center in Florida.

March 13 (UPI) -- A study of spiral structures, reduced in complexity so citizen scientists can participate, could offer insight into how galaxies evolve.

March 13 (UPI) -- An examination of jasmonic acid, a plant hormone, could lead to hardier plants in an era of climate change, Salk Institute researchers reported.

March 13 (UPI) -- Researchers confirmed the presence of nitrogen on a recently-mapped comet by using a lab simulation to detect ammonium salt, containing nitrogen, according to a study published Friday in the journal Science.

March 13 (UPI) -- A new method of identifying elusive mammals, using DNA found in river water, may improve how scientists monitor species, researchers in Britain announced.

March 13 (UPI) -- A new study led by Britain's University of Plymouth offers insight on the mechanisms behind earthquakes 25 or more miles below the surface.

ORLANDO, Fla., March 13 (UPI) -- SpaceX is aiming for a Sunday morning launch of its sixth cluster of 60 Starlink satellites from Florida.

March 12 (UPI) -- Paleontologists have discovered a tiny new species of dinosaur trapped in ancient amber from Myanmar. Scientists estimate the bird-like species is the smallest known dinosaur.

March 12 (UPI) -- Paleontologists have discovered a pair of fossil sites featuring dozens of dinosaur footprints preserved in what were once coastal mudflats.