Using Light Echoes to Find Black Holes

The most amazing thing about light is that it takes time to travel through space. Because…

Launching Mass From the Moon Helped by Lunar Gravity Anomalies

Placing a mass driver on the Moon has long been a dream of space exploration enthusiasts.…

A Star Disappeared in Andromeda, Replaced by a Black Hole

Massive stars about eight times more massive than the Sun explode as supernovae at the end…

eROSITA All-Sky Survey Takes the Local Hot Bubble’s Temperature

About half a century ago, astronomers theorized that the Solar System is situated in a low-density…

An Explanation for Rogue Planets. They Were Eroded Down by Hot Stars

The dividing line between stars and planets is that stars have enough mass to fuse hydrogen…

CODEX Coronagraph Heads to the ISS on Cargo Dragon

A new space-based telescope aims to address a key solar mystery. A new experiment will explore…

Flowing Martian Water was Protected by Sheets of Carbon Dioxide

Mars’ ancient climate is one of our Solar System’s most perplexing mysteries. The planet was once…

Japan Launches the First Wooden Satellite to Space

Space debris, which consists of pieces of spent rocket stages, satellites, and other objects launched into…

You Can Build a Home Radio Telescope to Detect Clouds of Hydrogen in the Milky Way

If I ask you to picture a radio telescope, you probably imagine a large dish pointing…

A Space Walking Robot Could Build a Giant Telescope in Space

The Hubble Space Telescope was carried to space inside the space shuttle Discovery and then released…