Perseverance Mars rover collects 6th Red Planet rock sample but chokes on some pebbles

NASA’s Perseverance Mars rover has some rocks stuck in its throat. Perseverance drilled and collected its sixth Red Planet rock sample late last month, but the car-sized rover hasn’t been able to seal up the titanium tube containing the material yet. “I recently captured my sixth rock core and have encountered a new challenge. Seems … Read more

For The First Time, We’ve Seen a Red Giant Star Transition Into a Supernova

We’re seeing many spectacular sights out in space as our telescopes become more powerful, but there’s a new contender for the most exciting one yet: According to researchers, we’ve observed a red supergiant star exploding into a supernova for the first time.   Supernova (SN) 2020tlf, to give it its technical name, was watched for … Read more

Death star: In cosmic first, scientists observe red supergiant just before it explodes

It’s much easier for scientists to see the messy aftermath of stellar explosions than to watch the prelude to the drama. But finally, astronomers managed to observe a red giant star just as it “went supernova,” as exploding stars are called. Using a telescope in Hawaii, a team of scientists gathered observations of a red … Read more

Mars helicopter Ingenuity gearing up for 19th Red Planet flight on Friday

NASA’s Mars helicopter Ingenuity is poised to make its first flight of 2022. The 4-pound (1.8 kilograms) Ingenuity’s next Red Planet sortie — its 19th overall — will take place as early as Friday (Jan. 7), mission team members said in a blog post on Tuesday (Jan. 4).  Ingenuity will cover 207 feet (63 meters) … Read more

Stunning, Otherworldly Images of Mars Captured by China’s Mars Orbiter

High above the red planet, China’s Mars orbiter Tianwen 1 has captured a series of incredible, alien images of our neighboring planet. The shots were captured by a small camera that was deployed by Tianwen 1. Released on New Year’s Day, they show Tianwen 1, looking lonely above the red planet, as well as Mars’ … Read more

China’s Mars orbiter snaps amazing selfies above Red Planet

China’s Tianwen 1 spacecraft at Mars pulled a big New Year’s surprise with stunning new images captured by a small camera that flew free of the orbiter to snap epic selfies above the Red Planet. The new images published by the China National Space Administration show Tianwen 1 above Mars’ north pole, with its solar … Read more

Eating Less Red Meat Is Something Individuals Can Do to Help the Climate Crisis

When I give public lectures about the climate crisis, the most common question people pose is: “Are you an optimist or a pessimist?” My answer is yes. California has achieved dramatic emissions reductions in a thriving economy, which makes me hopeful, yet in general the fossil-fuel industry is determined not to change. The second most … Read more

The Red Sky Paradox Will Make You Question Our Very Place in The Universe

On the grand cosmic scale, our little corner of the Universe isn’t all that special – this idea lies at the heart of the Copernican principle. Yet there’s one major aspect about our planet that’s peculiar indeed: Our Sun is a yellow dwarf.    Because our home star is what we know most intimately, it … Read more

Feast Your Eyes on The Annual Family Portraits Hubble Took of Our Solar System Giants

Every year, Hubble takes a little time to turn its electronic eyes closer to home. Rather than staring into vast distances across space and time, it focuses on our very own Solar System; specifically, the heavyweight planets that lurk out past the asteroid belt – Jupiter, Saturn, Uranus, and Neptune.   That’s not because they’re … Read more

It’s Possible to Accidentally Develop an Allergy to Red Meat. Here’s The Science

When a 56-year-old farm worker from just outside Kansas City in Missouri, US, began noticing a rash on his waist and arms within hours of chowing down on a hamburger seven years ago, he wasn’t sure what to make of it.   Like so many with alpha-gal syndrome (AGS), the path from tick bite to … Read more