SpaceX Launches Starship But Passes Up Booster Catch for Safety's Sake

SpaceX sent its Starship on a flight that was meant to feature a first-ever retrieval of both rocket stages, but a launch-pad catch of the first-stage booster had to be canceled due to safety concerns.

LOFAR Takes the Deepest Image of the Low-Frequency Radio Sky to Date

Using the Low Frequency Array (LOFAR), an international team led by Leiden University has produced the sharpest and most sensitive radio image of the sky ever made at low radio frequencies.

Dense Galaxy Clusters Foster Mechanisms That Throttle Star Formation

The Cosmic Noon was when the Universe's Stelliferous Era Began, and star formation was prodigious during that epoch. But since then, star formation has slowed to a relative crawl, despite the fact that we can watch them forming in regions throughout the Milky Way. What happened to the hydrogen gas that forms stars? New research found clues in a particulary dense galaxy cluster.

Euclid's First Data Release: A Stepping Stone to its 3D Map of the Sky

The ESA's Euclid Space Telescope has released its first huge batch of data. It's all part of the telescope's mission to study dark energy and dark matter. The telescope is busy creating the largest ever 3D map of the Universe with its huge 600 megapixel camera, and new images give us some highlights.

A Brief-ish History of METI. Part III: The Legacy of Frank Drake & Carl Sagan

Carl Sagan and Frank Drake were pivotal to the development of the Search for Extraterrestrial Intelligence (SETI) and Messaging Extraterrestrial Intelligence (METI), as exemplified by the Pioneer Plaques and Voyager Golden Records.

Asteroid Bennu's Sample Delivers Another Surprise

Researchers compared the samples from asteroid Bennu with the Murchison meteorite and measured the amino acid β-alanine in both. Using new techniques, they were able to measure not only their isotopic compositions, but isotopic differences between individual atoms in the same molecule. The results show that some of the same pre-cursors to life formed in different conditions and positions in the protoplanetary disk.

Solving the Space Junk Crisis Isn't Just About Counting Trash—It’s About Control and Economics

If people ever think about cleaning up space debris, they typically think of something equivalent to a giant garbage truck in the sky, collecting lost astronaut tools and dead satellites then hauling them back down to Earth to be deposited in a landfill. But dealing with space debris doesn’t work that way, and a new paper, available in pre-print on arXiv from Dr. Slava Turyshev of NASA’s Jet Propulsion Laboratory, who we typically cover for his work on the Solar Gravitational Lens idea, makes a good argument as to why.