The slender crescent moon will be positioned close to the bright star Spica at sunset on Aug. 27, but you’ll have to be quick to catch a glimpse of the
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The perils of political impatience in the Artemis program
Recent engineering setbacks, specifically regarding helium system issues associated with the improper flow of helium into the Space Launch System (SLS) rocket’s upper stage, and persistent hydrogen leaks, have forced
Space Force officially terminates AeroVironment contract for satellite control antennas
WASHINGTON — The U.S. Space Force has formally terminated an estimated $1.7 billion contract with defense technology firm AeroVironment to build a new generation of antennas used to command and
NASA disqualifies X-ray telescope from Probe mission competition
WASHINGTON — NASA has disqualified one of the two proposals for a large astrophysics mission, a decision the project’s leader blames on upheaval within the agency last year. In a
Telesat expands Canadian landing station footprint for Lightspeed
TAMPA, Fla. — Telesat has gained access to more land across Canada to set up landing stations ahead of plans to deploy pathfinders for its Lightspeed broadband constellation in December.
Gravitational waves discoveries surge in new catalog
This computer simulation shows the merger of 2 black holes. As the black holes spiral toward each other, collide and merge, they create gravitational waves. Scientists made this simulation using
Why no radio signals from aliens? Is space weather to blame?
The Very Large Array is a collection of 27 radio antennas located near Socorro, New Mexico. Each antenna in the array measures 82 feet (25 m) in diameter and weighs
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In 2025, the European Space Agency will host a series of Open Days across its major establishments in Germany, France, Italy, Spain and the Netherlands. These events offer visitors a unique
File: A SpaceX Falcon 9 rocket stands ready to launch the Starlink 7-14 mission from Vandenberg Space Force Base. Image: SpaceX SpaceX is preparing for its 37th Falcon 9 rocket
Asteroids floating through our solar system are debris left over from when our planetary neighborhood formed 4.6 billion years ago. Scientists study these ancient fragments as time capsules that reveal
Near the center of this image from NASA’s Chandra X-ray Observatory lies the pulsar B1509-58, a rapidly spinning neutron star that is only about 12 miles in diameter. This tiny
Scientists have developed a better model to understand “steam worlds,” which are planets smaller than Neptune and larger than Earth that are too hot to have liquid water at their
SpaceX shared stunning photos of its Falcon 9 rocket carrying the U.S. Space Force’s secretive X-37B space plane into orbit last week. The pictures capture the nighttime launch on Aug.
Illustration of the soot line and water ice line structure of protoplanetary disks, and the three chemically distinct planet archetypes. — astro-ph.EP Some low-density exoplanets are thought to be water-rich
Spectrally integrated flux maps for 3I/ATLAS observed using JWST NIRSpec: (a) scattered light from coma dust at ∼ 1.2 µm, plotted on a logarithmic scale to highlight the coma shape,
Color-color plot for asteroids from Sergeyev & Carry (2021), based on the parameter space defined by Ivezi´c et al. (2001) to identify asteroid families and surface compositions. The most likely
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