Here’s How to Weigh Gigantic Filaments of Dark Matter

How do you weigh one of the largest objects in the entire universe? Very carefully, according…

A runaway star moves fast in an unusual direction

This Hubble Space Telescope image shows a cloud in space where new stars are forming –…

Super-bright black holes could reveal if the universe is pixelated

Artist’s representation of a galaxy with a brilliant quasar at its centre NASA, ESA and J.…

How Could Astronauts Call for Help from the Moon?

Exploring the Moon poses significant risks, with its extreme environment and hazardous terrain presenting numerous challenges.…

There Was a 15 Minute Warning Before Tonga Volcano Exploded

Volcanoes are not restricted to the land, there are many undersea versions. One such undersea volcano…

Main Sequence and White Dwarf Binaries are Hiding in Plain Sight

Some binary stars are unusual. They contain a main sequence star like our Sun, while the…

STS-129 Crew Aboard the Space Station

The STS-129 crew members posed for a portrait following a joint news conference on Nov. 24,…

Committee Proposes Changes to ARRL By Laws 42 and 46

11/20/2024 Dear Member,  At the 2024 ARRL Annual Meeting held in January, the Board of Directors…

STS-129 Crew Aboard the Space Station

The STS-129 crew members pose for a portrait following a joint news conference with the Expedition…

What a Misplaced Meteorite Told Us About Mars

11 million years ago, Mars was a frigid, dry, dead world, just like it is now.…