For generations, scientists have probed the structure and composition of the planet using seismic wave studies. This consists of measuring shock waves caused by Earthquakes as they penetrate and pass through the Earth’s core region. By noting differences in speed (a process known as anisotropy), scientists can determine which regions are denser than others. These studies have led to the predominant geological model that incorporates four distinct layers: a crust and a mantle (composed largely of silicate minerals) and an outer core and inner core composed of nickel-iron.
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Japan’s new H3 rocket ready for another launch attempt after last-second abort
Japan’s H3 rocket rolls out to its launch pad at the Tanegashima Space Center before a second launch attempt March 6 (U.S. time). Credit: JAXA
After an electrical problem kept Japan’s first H3 rocket on the ground during a launch attempt last month, teams wheeled the new hydrogen-fueled launcher back to its firing stand for another countdown Monday to try to send an Earth observation satellite into orbit.
The Universe May Have Started with a Dark Big Bang
The Big Bang may have not been alone. The appearance of all the particles and radiation in the universe may have been joined by another Big Bang that flooded our universe with dark matter particles. And we may be able to detect it.
'Star Wars: The High Republic' gets lavish illustrated guide from Insight Editions (exclusive)
Insight Editions delivers "Chronicles of the Jedi: An illustrated Guide To The Galaxy’s Golden Age" in March
This fantastic trailer for retro-future game 'The Invincible' aims for the stars (video)
A new official trailer for "The Invincible," a new space game with sci-fi roots from Starward Industries, has arrived and it's fantastic.
I drove a rover on a moon-like landscape and felt like an Apollo astronaut (video)
An ordinary office door opened before me, exposing a portal to the moon. When I stepped inside, I felt a strange connection with explorers of all ages.
Chinese carmaker to launch 72 satellites to assist intelligent driving
Chinese automaker Geely plans to launch 72 satellites by 2025 to support a new range of cars.
China and France prepare to launch satellite to hunt for gamma-ray bursts
France is set to send a pair of advanced science instruments to China in preparation for launch of a joint space observatory that will hunt for gamma-ray bursts.
How do Black Holes Make a Shadow?
It’s notoriously difficult to take a picture of a black hole. But when they are surrounded by material we have an opportunity to witness the hole carved out by the event horizon. But what we see in the famous images of black holes isn’t the event horizon itself, but a magnified and enlarged version known as the shadow.
Just Dropped: New Close-up Images of Io from Juno, With More to Come
On March 1, 2023, NASA’s Juno spacecraft flew by Jupiter’s moon Io, coming within 51,500 km (32,030 miles) of the innermost and third-largest of the four Galilean moons. The stunning new images provide the best and closest view of the most volcanic moon in our Solar System since the New Horizons mission flew past Io and the Jupiter system in 2006 on its way to Pluto.
Nikon Prostaff P7 8x42 binoculars review
The small, premium Nikon Prostaff P7 8x42 binoculars offer wide-field, high-definition views of the stars that will have you feeling like you are floating in space.
SpaceX Crew-6 mission's approach to space station captured in breathtaking video
The SpaceX Dragon Endeavour spacecraft carrying the Crew-6 astronauts docked at the International Space Station early Friday morning (March 3), and cameras caught the action.
Watch NASA test fire new and improved Artemis moon rocket engine (video)
NASA engineers have hot-fired the redesigned Artemis moon rocket in preparation for future Space Launch System (SLS) flights that will take humanity back to the moon and beyond.
The sounds of Kerbal Space Program 2: How an emotional real-life rocket launch transformed the game
An audio engineer for Kerbal Space Program 2 attended his first-ever rocket launch in 2022 while recording audio, which you can hear over and over again in the brand-new game.
Wonder at the colorful Orion nebula in the southwestern sky throughout March
Undoubtedly, one of the most beautiful objects in the night sky is the Great Orion Nebula, also known as M42, which shines in the southwestern sky in March.
Sun unleashes powerful X2-class flare (video)
The sun blasted out a superpowerful X2-class flare on Friday afternoon (March 3), and a NASA spacecraft captured footage of the dramatic event.
An Earthworm Robot Could Help Us Explore Other Worlds
Evolution is a problem-solver, and one of the problems it solved in many different ways is locomotion. Birds fly. Fish swim. Animals walk.
Blue Origin still investigating New Shepard failure 6 months later
Blue Origin's New Shepard has now been grounded for almost six months, and it's unclear when the suborbital space-tourism vehicle will take to the skies again.
It Would Take Hubble 85 Years to Match What Nancy Grace Roman Will See in 63 Days
Less than a year and a half into its primary mission, the James Webb Space Telescope (JWST) has already revolutionized astronomy as we know it. Using its advanced optics, infrared imaging, and spectrometers, the JWST has provided us with the most detailed and breathtaking images of the cosmos to date. But in the coming years, this telescope and its peers will be joined by another next-generation instrument: the Nancy Grace Roman Space Telescope (RST). Appropriately named after “the Mother of Hubble,” Roman will pick up where Hubble left off by peering back to the beginning of time.
Gorgeous auroral glow surprises astrophotographer in California's Death Valley
The powerful solar storm that struck Earth earlier this week treated an American astrophotographer to unexpected aurora displays during a shooting trip to California's Death Valley.
Astronomers Go Hunting for Mysterious Q-balls
Our universe may feature large, macroscopic clumps of dark matter, known as q-balls. These q-balls would be absolutely invisible, but they may reveal their presence through tiny magnifications of starlight.
