Credit: Pixabay/CC0 Public Domain In 1994, Miguel Alcubierre was able to construct a valid solution to the equations of general relativity that enable a warp drive. But now we need…
Category: Planetary Science
Bridging the gap between the cosmic microwave background and the first galaxies
A new image of cosmic microwave background radiation (half-sky image at left, closeup at right) adds high definition from the Atacama Cosmology Telescope to an earlier image from the Planck…
Euclid opens data treasure trove, offers glimpse of deep fields
Strong gravitational lenses captured by Euclid. Credit: ESA/Euclid/Euclid Consortium/NASA, image processing by M. Walmsley, M. Huertas-Company, J.-C. Cuillandre On 19 March 2025, the European Space Agency’s Euclid mission releases its…
Chang’e-6 samples suggest 4.25-billion-year-old impact formed moon’s South Pole–Aitken basin
Schematic illustrating that Chang’e-6 norites document the 4.25 Ga lunar South Pole-Aitken impact event. Credit: Su Bin Scientists have long sought to determine the age of the moon’s South Pole–Aitken…
A Dyson swarm made of solar panels would make Earth uninhabitable, suggests study
Artist’s illustration of a Dyson Swarm. Credit: Archibald Tuttle As civilizations become more and more advanced, their power needs also increase. It’s likely that an advanced civilization might need so…
Venus passes between the Earth and sun this weekend—but don’t try to look for it
This image provided by NASA/JPL-Caltech shows Venus taken from NASA’s Mariner 10 spacecraft. Credit: NASA/JPL-Caltech via AP Venus will pass between the Earth and sun on Saturday during what’s called…
Can any nearby supernova cause a mass extinction?
The Veil Nebula Supernova Remnant. Credit: NASA/ESA/Hubble Heritage Team The most dangerous parts of a supernova explosion are the outputs like X-rays and gamma rays. Even though they only share…
Wolf-Rayet 104 ‘pinwheel’ star reveals a surprise (and some relief)
An artist’s concept of the famous Wolf-Rayet 104 “pinwheel star,” previously nicknamed the “Death Star.” New research conducted from Maunakea, Hawaiʻi using three Keck Observatory instruments reveals the orbit of…
NASA’s stuck astronauts welcome their newly arrived replacements to the space station
This image made from video by NASA shows astronauts Don Pettit, bottom center, hugging Kirill Peskov as astronauts greet each other after a SpaceX capsule docked with the International Space…
