Did the Pulsar Timing Array Actually Detect Colliding Primordial Black Holes?
With last week's announcement of the gravitational wave background detected by timing arrays, the assumption was that these are the…
If There Were a War in Space, Debris Would Destroy all Remaining Satellites in About 40 Years
On one particular day in 2021, astronauts and cosmonauts aboard the ISS must have felt a pin-prick of fear and…
The Early Universe Ran in Slow Motion
One of Einstein's predictions is that we should see time moving at different rates at different ages of the Universe.…
ESA's Euclid Mission is Off to Explore the Dark Universe
The Euclid space telescope, the ESA's next-generation astrophysics mission, was successfully launched to space!
James Webb is a GO for Cycle 2 Observations!
The observation programs for Cycle 2 of the James Webb Space Telescope have just been announced, and they are a…
NASA's VIPER Rover's First Moments on the Moon Might Be its Most Terrifying
NASA is building its first-ever robotic lunar rover. Named VIPER (Volatiles Investigating Polar Exploration Rover), the rover is set for…
Gravitational Waves Can Be Gravitationally Lensed, and This Could Provide Another Way to Measure the Expansion of the Universe
Astronomers can never have enough ways to measure the expansion in the Universe, from nearby stars to distant quasars. A…
JWST Sees the Beginning of the Cosmic Web
The Cosmic Web is the large-scale structure of the Universe. If you could watch our cosmos unfold from the Big…
NASA Locks Four Volunteers Into a One-Year Mission in a Simulated Mars Habitat
On June 25, 2023, a crew of four volunteers entered a simulated Martian habitat, from which they will not emerge…
Next Generation Gravitational Wave Detectors Could Pin Down Dark Matter
Gravitational astronomy is a relatively new discipline that has opened many doors for astronomers to understand how the huge and…