Articles by

Lisa Grossman

Runaway stars could influence the cosmos far past their home galaxies

Dozens of fugitive stars were caught fleeing a dense star cluster in a satellite galaxy of the...

Europa Clipper is launching to solve an alien mystery

NASA’s Europa Clipper spacecraft will soon be on its way to help solve a quarter-century-old mystery: Could...

50 years ago, satellites threatened astronomers’ view of the cosmos

Satellites hampering radio astronomy — Science News, October 5, 1974 In the past, the...

Betelgeuse has a tiny companion star hidden in plain sight

Betelgeuse, Betelgeuse! The red supergiant that marks Orion’s left shoulder may have a tiny, unseen companion. Two...

Meet Porphyrion, the largest pair of black hole jets ever seen

Opposing fountains of plasma and particles spanning 23 million light-years are the longest pair of black...

Scientists find a long-sought electric field in Earth’s atmosphere

For the first time, scientists have measured a long-sought global electric field in the Earth’s atmosphere. This...

The historic ‘Wow!’ signal may finally have a source. Sorry, it’s not aliens

One of the most compelling potential signs of extraterrestrial communication might have an astrophysical explanation. Called the...

Astronauts actually get stuck in space all the time

Imagine going on a weeklong business trip and not coming home until the following year. That may...