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NASA begins critical final test on mega Moon rocket
#NASA on Friday begins a critical two-day-long test of its giant Space Launch System (SLS) rocket complete with a mock countdown, as the agency gears up to return humans to the Moon.Known as the "wet dress rehearsal," it is the final…
Exoplanets: Weird, Wondrous Worlds [Video]
There’s a huge amount of variety among exoplanets – planets outside our solar system. There are water worlds, lava planets, egg-shaped worlds, planets with multiple suns, and even planets with no sun at all! What can we learn from all this…
SpaceX launches fourth dedicated rideshare mission – SpaceNews
SpaceX launched the fourth in its series of dedicated rideshare missions on April 1, placing one relatively large satellite and dozens of smallsats into low Earth orbit.The Falcon 9 lifted off from Space Launch Complex 40 at Cape…
NASA ready for high-stakes, low-profile SLS test
#NASA says it’s ready to go ahead with a practice countdown of the Space Launch System that will serve as a final key test before the rocket’s first launch, but one that will also take place largely out of public view.In a March 29 call…
China to launch Einstein Probe in 2023 to observe violent cosmic events
A Chinese wide-field x-ray space observatory has passed a major review and is expected to launch next year to detect flashes from cataclysmic cosmic events.The Einstein Probe is expected to launch around mid-2023 to observe distant,…
Soyuz returns astronaut and cosmonauts from space station
A Soyuz spacecraft carrying an American #astronaut and two Russian cosmonauts landed in Kazakhstan on March 30, an ordinary end of a mission in extraordinary times.The Soyuz MS-19 spacecraft landed in the designated landing zone in…
Mysterious Ring in Space Could Be The First Known Intergalactic Supernova
The Universe isn't a chaotic free-for-all. Most of the stars are bound up in galaxies, which are separated by vast, almost unimaginable distances.The space between the galaxies – intergalactic space – is sparsely populated, but not…
Shock wave from colliding galaxy clusters spans 60 Milky Ways
The 2 red parts of this image are the edges of an enormous shock wave, extending for 6.5 million light-years. The bright white oval at the center consists of a cluster of galaxies, called Abell 3667. But the individual galaxies are too…
Fly Your Name around the Moon with Artemis
Add your name to have it included on a flash drive that will fly aboard Artemis I
Sublime New Hubble Image Reveals a Thrilling Exchange Between Two Galaxies
The ongoing interaction between two galaxies 320 million light-years away has been captured in a gorgeous Hubble image.They're collectively known as Arp 282 in Halton Arp's Atlas of Peculiar Galaxies, and they consist of a…