The payload fairing containing the National Reconnaissance Office’s classified spy satellite is lifted atop ULA’s Delta 4-Heavy rocket before the NROL-91 mission. Credit: United Launch Alliance
United Launch Alliance’s ground team recently completed a countdown dress rehearsal and installed a classified spy satellite payload on top of a Delta 4-Heavy rocket at Vandenberg Space Force Base in California, readying the triple-body launcher for liftoff Saturday.
SpaceX fired seven engines on its Starship Super Heavy prototype "Booster 7" on Monday (Sept. 19), marking the highest number of Raptor engines ever tested simultaneously.
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The solar system's most massive planet, Jupiter, will make its closest approach to Earth for 59 years on Sept. 26 even as the gas giant will be directly opposite the sun as viewed from Earth.
A fueling test of NASA's new megarocket on Sept. 21 could make or break the agency's hopes of launching the Artemis 1 moon mission on Sept. 27.
In 1916, Karl Schwarzchild theorized the existence of black holes as a resolution to Einstein’s field equations for his Theory of General Relativity. By the mid-20th century, astronomers began detecting black holes for the first time using indirect methods, which consisted of observing their effects on surrounding objects and space. Since the 1980s, scientists have studied supermassive black holes (SMBHs), which reside at the center of most massive galaxies in the Universe. And by April 2019, the Event Horizon Telescope (EHT) collaboration released the first image ever taken of an SMBH.
Earth-imaging satellites have spied the massive crowds that gathered in London for the funeral of Queen Elizabeth II.
The James Webb Space Telescope excels at capturing images of distant cosmic objects, but the telescope's new Mars images demonstrate it can have an impact much closer to home.
Cosmonaut Valery Polyakov, who logged the single longest stay in space, has died at the age of 80. Polyakov launched on two missions to the space station Mir. In total, he was off Earth for 678 days.
Heads of the world's major space agencies presented their big plans for the coming years at a major congress in Paris, while underlining the serious challenges that could affect space and humanity.
The Royal Observatory Greenwich has announced the winners of the 14th annual Astronomy Photographer of the Year contest.
Satellites are watching as Hurricane Fiona, currently a Category 1 storm, pummels Caribbean islands.
Astrophotographers can use this lightweight star tracker with cameras up to 100mm lenses to keep stars still for up to four minutes.
Europe plans to have its own reusable spacecraft for cargo and crewed missions to LEO and beyond. It’s called SUSIE (Smart Upper Stage for Innovative Exploration). At first glance, it may look like Europe’s answer to SpaceX’s Starship, but it’s not that simple.
The only archaeologists to study life on the International Space Station are now offering to advise on the next outposts. The co-directors of the ISS Archaeological Project have found Brick Moon.
Pick up the HP Reverb G2 VR headset for under $500 at Amazon with this limited time offer.
Brian Binnie, who in 2004 became only the second person in history to pilot a private craft into space, has died at the age of 69.
The James Webb Space Telescope captured its first images and spectra of Mars on 5 September 2022. The telescope, an international collaboration between NASA, ESA and the Canadian Space Agency, provides a unique perspective with its infrared sensitivity on our neighbouring planet, complementing data being collected by orbiters, rovers, and other telescopes.
The failure of a Blue Origin rocket during an uncrewed launch this month has members of Congress urging for more transparency of an FAA investigation into the accident.
You have to look for the clues that the protoplanet exists, not for the protoplanet itself.
A new study that reassessed decades of work of climate "tipping points" has revealed they are more numerous and closer to being triggered than researchers initially feared.
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