Asteroid Polyhymnia’s density beyond known elements

A groundbreaking study by the University of Arizona reveals that asteroid Polyhymnia has a density exceeding…

ESA is Testing a Modular Multipurpose Rover that Could Be a Science Lab or a Tiny Bulldozer

Most rovers have been built for Mars, and each one of them is a complex machine…

Asteroid 2023 UH9 flew past Earth at 0.2 LD

A newly-discovered asteroid designated 2023 UH9 flew past Earth at a distance of 0.27 LD /…

NASA Wants to Learn to Live Off the Land on the Moon

In preparation for the upcoming Artemis missions to the lunar south pole, NASA recently solicited a…

October 28 partial lunar eclipse visible in eastern Americas, Europe, Africa, Asia, and Australia

A partial lunar eclipse will be visible across the eastern Americas, Europe, Africa, Russia, Asia, Australia,…

How to Think About a Four-Dimensional Universe

In Einstein’s famous theory of relativity the concepts of immutable space and time aren’t just put…

Evidence of cataclysmic planetary collision 1 800 light years from Earth

In December 2021, astronomers observed unprecedented fluctuations in the light of a star identified as ASASSN-21qj,…

If You Account for the Laniakea Supercluster, The Hubble Tension Might Be Even Larger

One of the great unsolved mysteries of cosmology is known as the Hubble tension. It stems…

Asteroid 2023 UR10 flew past Earth at just 0.036 LD — 9th closest on record

A newly-discovered asteroid designated 2023 UR10 flew past Earth at just 0.036 LD / 0.00009 AU…

An Epic Collaboration Between Hubble and JWST

In 2012, as part of the MAssive Cluster Survey (MACS), the Hubble Space Telescope (HST) discovered…