The sixth Space Based Infrared System Geosynchronous Earth Orbit satellite lifted off this morning (Aug. 4), completing the SBIRS GEO constellation for the U.S. Space Force.
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Best zoom lenses
These are the best zoom lenses you can get right now for Canon, Nikon, Sony and other cameras.
Just how big can a super-Earth get while staying 'habitable'?
But could these giant, rocky planets actually sustain the conditions for life? Or is life limited to smaller planets like our own?
Meteors seem to be raining down on New Zealand, but why are some bright green?
Why are these meteors burning green, and what does it have to do with the aurora?
SpaceX will launch South Korea's 1st moon mission today: Watch live
The Korea Pathfinder Lunar Orbiter will launch on a SpaceX Falcon 9 rocket on Thursday (Aug. 4) from Cape Canaveral Space Force Station in Florida.
Watch Blue Origin launch 6 people to suborbital space Thursday morning
Blue Origin will launch six people to suborbital space and back on Thursday morning (Aug. 4), and you can watch the action live.
Rocket Lab launches US spy satellite on mystery mission
The U.S. National Reconnaissance Office's NROL-199 mission launched early this morning (Aug. 4) atop a Rocket Lab Electron booster from New Zealand.
Live coverage: Atlas 5 rocket ready for liftoff at dawn Thursday
Live coverage of the countdown and launch of a United Launch Alliance Atlas 5 rocket from pad 41 at Cape Canaveral Space Force Station in Florida. The mission will launch the U.S. Space Force’s SBIRS GEO 6 missile warning satellite toward geosynchronous orbit. Text updates will appear automatically below. Follow us on Twitter.
An Interstellar Meteor Struck the Earth in 2014, and now Scientists Want to Search for it at the Bottom of the Ocean
Back in 2014, an object crashed into the ocean just off the coast of Papua New Guinea. Data collected at the time indicated that the meteorite just might be an interstellar object, and if that’s true, then it’s only the third such object known (after Oumuamua and Borisov), and the first known to exist on Earth. Launching an undersea expedition to find it would be a long shot, but the scientific payoff could be enormous.
You can watch 4 different rocket launches in free webcasts Thursday
If you're a fan of spaceflight, then Thursday will be a banner day with no less than four different rockets launching missions off planet Earth.
Astronomers Measure the Signal of Dark Matter From 12 Billion Years ago
Although the particles of dark matter continue to allude us, astronomers continue to find evidence of it. In a recent study, they have seen its effect from the edge of visible space, when the universe was just 1.5 billion years old.
SpaceX's private Polaris Dawn space crew targets December launch date: report
The first of the Polaris program launches should lift off in December 2022, its billionaire commander says.
Super-Earth planet zips through the habitable zone of red dwarf star
Low mass and dim red dwarf stars account for 75% of stars in the Milky Way and astronomers are attempting to discover planets that orbit them.
How satellites helped 345,000 people track Nancy Pelosi's historic flight into Taiwan
Hundreds of thousands of people used flight-tracking websites to follow the path of House Speaker Nancy Pelosi's historic flight into Taiwan on Tuesday (Aug. 2).
Watch an Atlas V rocket launch a missile warning satellite for US Space Force on Thursday
The rocket will carry the Space-Based Infrared System Geosynchronous Earth Orbit Flight 6 (SBIRS Geo-6) satellite into orbit.
Cape Canaveral on the cusp of new records amid blistering launch rate
A SpaceX Falcon 9 rocket heads downrange after a Jan. 31 launch from Cape Canaveral Space Force Station. Credit: SpaceX
With two rockets from industry rivals United Launch Alliance and SpaceX ready for liftoff just 12 hours apart Thursday, the Cape Canaveral spaceport is poised to surpass the record for most missions in a year to fly into orbit from its launch pads. The launch day doubleheader would also mark the shortest span between two space launches from Florida’s Space Coast since 1967.
Former astronauts must chaperone private missions to the International Space Station, NASA says
NASA issued a notice changing the rules on privately run crewed missions to the ISS after the experience of Ax-1, which saw its private astronauts ask the ISS crew for help.
Axiom Space deal will put New Zealand research on the International Space Station
New Zealand partners with private space exploration firm Axiom Space as it plans to run more science experiments on the International Space Station.
August's full moon likely to outshine Perseid meteor shower this year, NASA astronomer says
The Perseid meteor shower, one of the most anticipated and popular night-sky shows of the year, is likely to be upstaged by August’s full moon.
Apollo 11 relics among 10,000 mementos flying on Artemis 1 moon mission
A lunar sample and a piece of the rocket that enabled its collection are set to launch on NASA's next mission to the moon. The Apollo 11 artifacts are part of the Artemis 1 Official Flight Kit.
We found some strange radio sources in a distant galaxy cluster. They're making us rethink what we thought we knew.
Galaxy clusters allow us to study a broad range of rich processes — including magnetism and plasma physics — in environments we can't recreate in our labs.
