Science

Chunk of Mars sells for $5.3 million at New York auction

NWA 16788 was discovered in Niger in Novermber 2023 and is approximately 70% larger than the next biggest piece of Mars ever found on Earth, according to Sotheby’s. 

 The meteorite NWA 16788, the largest known piece of Mars on Earth, is displayed during the press preview of Sotheby’s Natural History auction in New York City, U.S., July 8, 2025.

Covid-19 pandemic tied to 5.5-month surge in brain aging across population

Covid-19 pandemic tied to 5.5-month surge in brain aging across population. Illustration.

The rebound effect: After stopping anti-obesity medications, patients regain weight rapidly

The rebound effect: After stopping anti-obesity medications, patients regain weight rapidly.

New research hints: Spiders came from the sea

Sea spider in Antarctica.

Mystery in Nazca desert: Researchers go missing

Search efforts complicated by rugged terrain and multiple routes around Criterion hill, say authorities.

Condor, the Lines and Geoglyphs of Nazca desert, Peru.

Israeli research reveals a star's survival from black hole bout - and comeback for round two

A star in a distant galaxy was ripped apart by a supermassive black hole. But Israeli scientists say it survived and came back a second time - a discovery that upends scientific consensus.

 A star being torn apart by a black hole (illustrative).

NASA repairs Juno space probe camera from 600 million kilometers away

Jupiter and Earth were near their closest all year, but it still took over half an hour for a signal to go from Earth to the probe or vice-versa.

The north polar region of Jupiter’s volcanic moon Io was captured by the JunoCam imager aboard NASA’s Juno during the spacecraft’s 57th close pass of the gas giant on Dec. 30, 2023.

Study finds dogs' personality traits influence their TV viewing behavior

Factors like age, breed, and prior TV exposure do not significantly affect how dogs engage with television.

 Study finds dogs' personality traits influence their TV viewing behavior. Illustration.

Largest Mars meteorite sells for $5.3 million at Sotheby's auction

The 25-kilogram rock represents about 7% of all Martian material currently on Earth.

 Largest Mars meteorite sells for $5.3 million at Sotheby's auction.

Israeli scientists: Stressed plants emit ultrasonic sounds influencing insect behavior

Female moths avoid plants emitting distress sounds, Israeli scientists find.

 Israeli scientists: Stressed plants emit ultrasonic sounds influencing insect behavior.

‘Miracle in the Mountains’: Kiwi bird rediscovered after 50-years in New Zealand

The Department of Conservation flew ranger Iain Graham and his dog Brew to Adams Wilderness. They found the elusive female kiwi and collected feathers for DNA confirmation-called “almost miraculous.”

 ‘Miracle in the Mountains’: Kiwi bird rediscovered after 50-years in New Zealand.

Exposure to nighttime artificial light linked to increased risk of cardiovascular diseases

Researchers suggest that avoiding light at night may be a useful strategy to reduce cardiovascular disease risk.

 Exposure to nighttime artificial light linked to increased risk of cardiovascular diseases.

Scientists detect the most massive black hole merger ever observed

Professor Mark Hannam stated, 'These are the largest black holes we have confidently measured using gravitational waves.'

 Scientists detect the most massive black hole merger ever observed.

Sea turtles reveal alarming rise of drug-resistant bacteria in Mediterranean, UHaifa study reveals

Sea turtles are considered crucial bioindicators of marine environmental health due to their extensive lifespans, long-distance migrations, and frequent presence in sensitive coastal zones.

 Researchers inspect sea turtles for their study.