Science News: Recent scientific discoveries and expert analysis

This week is the best time in May to view the night sky. Here's everything you can see during May's dark skies, from an upside-down bear to some of the oldest stars in the universe.

Analysis of a mummy kept for a century at the University of Turin in Italy has revealed rare face tattoos made with a special black ink.

Researchers have developed new contact lenses that enable vision in the near-infrared range, and they could restore color perception to people with color blindness.

A retired researcher has detected an unusual pulse in the light of nearby stars while looking for signs of extraterrestrial intelligence. Aliens are one possible explanation for the strange signal, but as with every other unexplained space phenomenon, it's probably not aliens.

A gold ring with a red gemstone found in Israel dates to the Hellenistic period and may have been buried in a coming-of-age ritual.

Teeth are sensitive because they evolved from sensory tissue in both ancient vertebrates and ancient arthropods.

Researchers have recovered Homo erectus bones from the seafloor, which points to an unknown hominin population hunting on land that is now underwater in Southeast Asia.

New radio images reveal an unusually faint and symmetrical supernova remnant, nicknamed Telios, lurking just below the galactic plane of the Milky Way. However, they cannot tell exactly where it is, how big it is or how it formed.

A new analysis of a skeleton uncovered 50 years ago provides some of the earliest evidence of intergroup conflict between humans to date.

The world's second-biggest rat species — a gargantuan woolly beast — was caught on camera in the mountains of New Guinea.

A recent launch of China's Zhuque-2E rocket triggered a giant white streak of light to appear above at least seven U.S. states after deploying six satellites into low-Earth orbit. The light show, which was visible in at least seven states, was the result of a "fuel dump," experts say.

Amazon's Vulcan, the first warehouse robot with touch sensitivity, has begun operations in the company's Spokane, Washington, and Hamburg, Germany, fulfillment centers.

DNA analysis has revealed that 26 novel species of "extremophile" bacteria were lurking in a clean room that housed NASA's Phoenix lander before it was launched to Mars in 2007. The hardy microbes might be capable of surviving in space.

Scientists have connected two quantum computers, paving the way for distributed quantum computing, quantum supercomputers and a quantum internet.

Archaeologists found a cremation burial while examining the inside of a bucket from Sutton Hoo, a 1,400-year-old boat burial site in England.

New research strengthens the case that Venus, long considered a geologically stagnant world, may be more Earth-like in its internal dynamics than once believed.

Analysis of swabs from China's Tiangong Space Station has revealed a new strain of bacteria sporting new adaptations for surviving outer space.

Pseudomonas aeruginosa is associated with 559,000 yearly deaths worldwide, and many of them come from hospital-acquired infections. A new study suggests it may be thriving in sterile environments by feeding on medical plastics.

Late-stage trial data suggest that a new COVID-flu vaccine offers good protection against both infections, but experts expect the shot's approval may be delayed.

Former U.S. President Joe Biden's office announced that he has been diagnosed with "aggressive" prostate cancer, which has spread to his bones. Here's what to know about the disease.