The 27 Merlin engines on the Falcon Heavy’s three first stage boosters. Credit: SpaceX
The first Falcon Heavy rocket flight since 2019 is scheduled Tuesday to kick off SpaceX’s longest-duration launch mission to date, a roughly six-hour climb into geosynchronous orbit more than 20,000 miles over the equator with a bundle of payloads for the U.S. Space Force. The powerful rocket’s two reusable side boosters will return to Cape Canaveral for landing.
Dark matter. It’s secret. It’s dark because it doesn’t give off any light. We can’t see it, taste it, touch it, smell it, or even feel it. But, astronomers can measure this dark secret of the universe. How? By looking at galaxies and galaxy clusters. Dark matter exerts a gravitational influence on those regions, and that CAN be measured.
NASA's Artemis 1 moon rocket is once again headed back to the launch pad on Friday (Nov. 4) ahead of its historic lunar mission.
A Japanese astronaut briefly doubled as catcher as NASA astronauts celebrated their hometown Houston Astros meeting the Philadelphia Phillies in the end-of-season series.
Roughly half a century ago, astronomers realized that the powerful radio source coming from the center of our galaxy (Sagitarrius A*) was a “monster” black hole. Since then, they have found that supermassive black holes (SMBHs) reside at the center of most massive galaxies. This leads to what is known as Active Galactic Nuclei (AGN) or quasars, where the central region of a galaxy is so energetic that it outshines all of the stars in its galactic disk. In all that time, astronomers have puzzled over how these behemoths (which play a crucial role in galactic evolution) originated.
Most of us don’t think about ozone as we go about our daily lives. Yet, this pale blue gas plays a huge role in keeping our planet habitable. There’s a layer of it in Earth’s stratosphere, and it absorbs most of the ultraviolet radiation streaming from the Sun. Without the ozone layer, the UV would cause severe damage to most life on Earth. What would happen if we had an ozone hole?
The classified Shiyan-20C satellite lifted off on Friday (Oct. 28), riding a Long March 2D rocket into the sky from Jiuquan Satellite Launch Center in northwestern China.
The study is the largest ever on radar observations of near-Earth asteroids.
Artemis 4 will land on the moon as soon as 2027 instead of continuing to build out a supporting NASA-led lunar station called Gateway.
Europe's Mars Express spacecraft has peered deep into the subsurface of the Martian moon Phobos, finding unknown structures that could reveal the moon's origin.
The iceberg tip is "hanging by a thread" due to ongoing climate change in Antarctica.
The European Space Observatory (ESO) has released an image of a dead star's 'ghost' in deep space just in time for Halloween.
The Mengtian module launched to Earth orbit atop a Long March 5B heavy-lift rocket from Wenchang, south China, on Monday (Oct. 31).
The eerie Hubble Space Telescope image was released for the "spooky season" surrounding Halloween
A giant asteroid that might one day cross paths with Earth has been discovered hiding in the glare of the sun.
There are times when we could all do with a bit of magic in our lives. And, with the Global Climate Observing System announcement of ‘terrestrial water storage’ as a completely new Essential Climate Variable, the world of climate research and climate crisis response would certainly benefit from a satellite mission called MAGIC.
We could detect potentially hazardous near-Earth asteroids by using six surveyor spacecraft deployed in Venus-like orbits, Chinese researchers propose.
No matter how you look up at the sky — with a telescope, binos, or just your eyes — you're a cosmic explorer.
Skies will be mainly clear tonight (Oct. 31) across the contiguous United States; making for ideal Halloween skywatching conditions. What will you be looking out for?
After more than three years, SpaceX's Falcon Heavy — the world's most powerful operational rocket — is about to launch again.
The first stage of ULA’s Atlas 5 rocket was lifted onto its launch stand at Vandenberg Space Force Base, California, on Sept. 28. Credit: USSF 30th Space Wing/Steve Gerlich
The final flight of an Atlas 5 rocket from California has been delayed from Tuesday until no earlier than Nov. 9 to replace a battery on the launcher’s Centaur upper stage, United Launch Alliance and NASA officials said.
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