Articles by

Lisa Grossman

A spacecraft duo will fly in formation to create artificial solar eclipses

A pair of spacecraft just launched to create hundreds of artificial solar eclipses in orbit. The European...

Mars’ potato-shaped moons could be the remains of a shredded asteroid

Mars’ moons could be the remains of an ill-starred asteroid that got too close to the Red...

A first look at rocks from the lunar farside create a volcanic mystery

The first samples from the farside of the moon contain signs of surprising volcanic activity near the...

Uranus may have looked weird when NASA’s Voyager 2 flew by

Some of Uranus’ apparent oddities might be due to bad timing. In 1986, the Voyager 2 spacecraft...

A cosmic census triples the known number of black holes in dwarf galaxies

A colossal census of the cosmos has more than tripled the number of active black holes known...

A zombie star’s spiky filaments shed light on a 12th century supernova

Some 6,500 light-years from Earth lurks a zombie star cloaked in long tendrils of hot sulfur. Nobody...

Using AI, historians track how astronomy ideas spread in the 16th century

Historians working with an artificial intelligence assistant have begun tracking the spread of astronomical thinking across Europe...

JWST spots the first known ‘steam world’

This exoplanet’s atmosphere is going full steam ahead. A planet beyond our solar system called GJ 9827d...