Artículo

Why does Betelgeuse keep fading? The mystery of Orion's giant star

From stellar pulsations to giant dust clouds and a mysterious companion, astronomers are piecing together why Betelguese keeps changing brightness.

Space.com · EN

Do we know how many Starship launches SpaceX will need to get NASA astronauts to the moon? No. Will its refuelling plan be simple? Also no.

NASA's Artemis IV moon mission will be a complicated affair — especially if SpaceX's Starship ends up being the lunar lander. The massive spacecraft will need an unknown number of refuel flights in two separate orbits.

Space.com · EN

Robot cube explores the International Space Station | Space photo of the day for Nov. 3, 2026

An Astrobee, a tiny robot cube, is zipping around the International Space Station helping out the astronauts on board.

Space.com · EN

On this day in space! Nov. 3, 1957: Laika the dog launches with Sputnik 2

On Nov. 3, 1957, a Soviet space dog named Laika became the first animal to orbit Earth.

Space.com · EN

5,300-year-old kidney stone the size of a grape found in Bronze Age man's burial near Black Sea

Researchers identified a 5,300-year-old kidney stone in the burial of a Bronze Age cattle herder in Russia.

Live Science · EN

Mars-bound astronauts could face years of heart scarring, rat study hints

Rats that were exposed to radiation similar to what Mars-bound astronauts might face showed higher levels of scar tissue in their hearts, indicating they were more vulnerable to heart failure.

Live Science · EN

'Quite a light show': NASA astronaut snaps atmospheric fireball as Russian rocket explodes over West Africa

An American astronaut on board the ISS recently snapped a spectacular "fireball" streaking across the nighttime sky over West Africa. The striking "light show" shows a Russian rocket being vaporized as it reenters the upper atmosphere.

Live Science · EN

Cities are changing — and architects must adapt

Nature, Published online: 03 November 2026; doi:10.1038/d41586-026-03508-y Climate change is reshaping urban environments. Architect Carlo Ratti tells Nature that technology offers solutions, but citizens must get the final say.

Nature News · EN

Trump’s executive order on women’s health feels like déjà vu

Nature, Published online: 03 November 2026; doi:10.1038/d41586-026-03503-3 Previous US administrations fell short on promised improvements to women’s-health research — here’s what real change will take.

Nature News · EN

Will AI grant reviews make science more conservative?

Nature, Published online: 03 November 2026; doi:10.1038/d41586-026-03340-4 Researchers are questioning whether outsourcing decisions about research funding to artificial intelligence will reduce scientific novelty.

Nature News · EN

China should share the evidence behind animal-testing alternatives openly

Nature, Published online: 03 November 2026; doi:10.1038/d41586-026-03561-7 China should share the evidence behind animal-testing alternatives openly

Nature News · EN

Universities must measure learning, both with and without AI assistance

Nature, Published online: 03 November 2026; doi:10.1038/d41586-026-03559-1 Universities must measure learning, both with and without AI assistance

Nature News · EN

Safety alerts must reach visiting PhD students

Nature, Published online: 03 November 2026; doi:10.1038/d41586-026-03560-8 Safety alerts must reach visiting PhD students

Nature News

Research bonuses need clear and fair rules

Nature, Published online: 03 November 2026; doi:10.1038/d41586-026-03562-6 Research bonuses need clear and fair rules

Nature News · EN

Whence dragons?

Nature, Published online: 03 November 2026; doi:10.1038/d41586-026-03277-8 The ecology and evolution of winged legendary beasts, and monkeys that show their behinds to their buddies, in this week’s pick from the Nature archive.

Nature News · EN

Vibrating mattress helps clear Alzheimer’s protein from the brain

Lying on a vibrating mattress for 40 minutes, combined with taking two pills that release nitric oxide into the body, enhanced the clearance of an Alzheimer's-related protein via the brain's waste-disposal system

New Scientist · EN

Do cats fart? An investigation into the mysteries of feline flatulence

Dogs are constantly passing gas. So why don’t cats seem to?

Scientific American · EN

The 2026 midterms are today—here’s what scientists say is at stake

The second Trump administration has dismantled, disrupted or weakened many of the country’s scientific bodies

Scientific American · EN

Self-flying cargo planes are coming. Can they be safe with no one aboard?

A start-up valued at more than $1 billion wants to fly cargo planes with no one in the cockpit. First it needs to prove to regulators that they’re safe without a human aboard

Scientific American · EN

New York’s first measles death in 30 years is an omen of worse to come

A child died after contracting the disease amid the largest national measles outbreak in more than three decades

Scientific American · EN

A drug-free diabetes treatment? An implant lowers blood sugar in mice

The wireless implant rids mice's bodies of excess sugar on demand, and helps them shed weight. It could one day help treat diabetes and obesity.

Science News · EN

Your voice can now say things you never said

Synthetic voices can restore speech, enable scams and outlive their owners. These uses raise questions about trust, consent and control.

Science News · EN

NASA’s Voyager 1 is about to reach a historic one-light-day milestone

NASA’s Voyager 1 is approaching an extraordinary milestone nearly 50 years after its launch, even as engineers battle dwindling power and mysterious technical problems. A clever energy-saving maneuver has extended the spacecraft’s scientific mission, while an unexplained 48-hour communications blackout recently gave NASA a scare. On November 18, Voyager 1 will reach a distance of one light-day from Earth, making even the simplest round-trip communication take 48 hours.

ScienceDaily · EN

NASA smashed into an asteroid. Now Hera is closing in to see what happened

Europe’s Hera spacecraft has captured its first clear view of two asteroids involved in NASA’s historic 2022 experiment to redirect a potentially dangerous space rock. Now approaching the pair, Hera will investigate the mysterious aftermath of the collision and uncover why the asteroid shifted far more than scientists predicted.

ScienceDaily · EN