Science

Mysterious ‘hot Jupiters’ can form quickly or slowly

The existence of “hot Jupiters” is one of the oldest mysteries of the exoplanet-hunting era, but a European spacecraft is revealing some clues about how these enigmatic worlds form. so-called hot Jupiters are planets that are roughly as massive as Jupiter and orbit very close to their stars, usually less than one-tenth the distance at …

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Bizarre ‘polygons’ appear in Mars spring image

It’s springtime on Mars and the mysterious polygons are in bloom, a new image from the orbiting High Resolution Imaging Experiment (HIRISE) camera shows. Recorded on March 30, 2022, the image reveals a patchwork of white zig-zags cracking across the Martian soil at high latitudes, with occasional sprays of black and blue mist fanning out …

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LightSail 2 marks 3rd anniversary as end of mission approaches

A solar-sailing mission is now marking three years of spaceflight, but is unlikely to celebrate a fourth anniversary. The Planetary Society’s LightSail 2 is a crowdfunded solar sail that launched June 25, 2019. It was expected to last a year in an assessment of how well a spacecraft could perform using only the power of …

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SpaceX Lifts 200 Ton Rocket In Air As It Races To Historic Hot Fire Test

An image shared by Elon Musk earlier this month shows all 33 Raptor rocket engines installed on Starship. Image: Elon Musk/Twitter As part of its launch campaign for its Mars rocket, Space Exploration Technologies Corporation (SpaceX) lifted the Super Heavy booster prototype of its Starship next generation rocket with a crane in its testing facilities …

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See Venus meet the moon before dawn on Sunday

Early risers will be rewarded with an exquisite photo opportunity Sunday (June 26) morning when the slim crescent moon shines close to Venus. Set your alarm and get your camera ready as a charming sight will arrive in the hour before sunrise according to geophysicist Chris Vaughan, amateur astronomer with SkySafari Software who oversees Space.com’s …

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Celestron Advanced VX 8 Edge HD telescope full review

The Celestron Advanced VX 8-inch EdgeHD is a versatile telescope system for intermediate to advanced amateur astronomers, but still small and lightweight enough to transport easily for observing out in the country. The 8-inch aperture is enough to view and photograph all types of celestial objects, and the computerized equatorial mount makes it easy to …

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New bacterium roughly the size, shape of an eyelash smashes size record

Ca. Thiomargarita magnifica, discovered in the French Caribbean mangroves is a member of the genus Thiomargarita.”/> Enlarge / The bacteria, Ca. Thiomargarita magnificadiscovered in the French Caribbean mangroves is a member of the genus Thiomargarita. Tomas Tyml Clinging to sunken debris in shallow, marine mangrove forests in the French Caribbean, tiny thread-like organisms—perfectly visible to …

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Octopus brain and human brain share the same ‘jumping genes’

Drawing of an octopus. Credit: Gloria Ros The octopus is an exceptional organism with an extremely complex brain and cognitive abilities that are unique among invertebrate. So much so that in some ways it has more in common with vertebrates than with invertebrates. The neural and cognitive complexity of these animals could originate from a …

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