Australotitan is Australia’s largest dinosaur species ever discovered, as long as 2 buses as heavy as 1,400 kangaroos.

China is getting ready to launch 3 astronauts to the Tiangong space station as part of a mission called Shenzhou 12. There’s been no mention of an official launch date, but it was initially rumored for June 10, 2021, and now appears to be slated for June 17.

A new experiment aboard the ISS is studying tardigrades - aka water bears - to better understand how they tolerate extreme environments, including the one astronauts experience in space.

NASA Administrator Bill Nelson wants the space agency to start taking a closer look at UFO reports like the ones coming from Navy pilots in recent years. He has directed NASA scientists to move forward with new ways of discussing the decades-old phenomenon.

An astronomer combined 2 decades worth of X-ray data with radio observations, creating an extraordinary image of the Milky Way center.

Astronomers with the Dark Energy Survey have created the largest-ever map of dark matter, using artificial intelligence. It covers 100 million galaxies.

NASA's Curiosity rover has found hints of organic salts on Mars. If confirmed, they could provide important clues about previous habitability and the potential for ancient microbial life.

The North Atlantic right whale is endangered. A new technology finds the whales as they approach harmful and noisy situations, with the aim of protecting them.

The results of a 30-year survey of exoplanets show our solar system as "normal." That is, giant planets tend to orbit far from their stars.

Whales are magnificent creatures and ... whales make rainbows. Photos and video here.