Some dog breeds are known for their impressive size and strength, with adults growing as large as an average adult human. Learn which gentle giants make the list and what potential owners should know.

Scientists have found that a major wave of mass deaths in ancient seas was followed by the rapid rise of early fish species, uncovering how life rebounded after one of Earth’s oldest ecological crises.

NASA’s IXPE space telescope has captured a rare X-ray view of a white dwarf star drawing material from a companion star, offering scientists new insight into how these stellar remnants behave in space.

Madhya Pradesh reported 55 tiger deaths in 2025 the highest since Project Tiger began. Officials warn that natural causes plus human threats like unsafe electric fences are harming big cats and local safety.

For the first time in over a decade, sightings of the rare manumea bird the closest living relative of the extinct dodo have been confirmed in Samoa’s Uafato rainforest, offering a fragile hope for its survival.

Scientists in Japan are testing a new way to turn heavy snow into power by using temperature differences to spin turbines. This could help reduce energy costs and make winters greener.