CORVALLIS, Ore., Jan. 3 (UPI) -- A plant preserved in 100 million-year-old amber has revealed the oldest evidence of sexual reproduction in a flowering plant, U.S. and European researchers say.

Scientists have discovered a sexual reproduction process in microalgae that helps them better understand algae and plant evolution. Their discovery could lead to new industrial applications for ...

Researchers have identified a genetic sequence that is essential for plant reproduction. As this region is found in all plant species, it is expected to contribute to future crossbreeding initiatives ...

People have been celebrating the summer solstice with elaborate rituals since prehistoric times. But humans aren't the only species to take mark June 21 as a special time. Studies are showing the ...