Online daters are most likely to contact people with the same level of education as them, but are less fussy about an intellectual match as they get older, according to new research.

People who do fewer repetitions during high-intensity interval training (HIIT) workouts may get better fitness benefits than those who complete more.

A new study has frozen bacteria extremely fast to gain a true-to-nature image of the internal and external structure.

These findings support a path to improving clinical applications in restoring human vision lost to degenerative eye diseases.

A new review suggests that global climate change threatens parasites with extinction, which could have big consequences for ecosystems.

The first live record of the ruby seadragon, Phyllopteryx dewysea, a species never before observed in the wild, has just been published.