Daniela Breitman
Woman with headphones in cockpit.

Sally Ride: 1st American woman in space

Ride was the 1st American woman to go to space, flying on the STS-7 space shuttle Challenger mission in 1983, and later on another mission in 1984.

Edmond Halley’s magnificent prediction

Born on today’s date in the year 1656, English astronomer and mathematician Edmond Halley was the first to predict the return of a comet. Today, Halley’s Comet – the most famous of all comets – bears his name.

Today in science: Comet Hale-Bopp

The last widely seen comet for the Northern Hemisphere was Hale-Bopp in 1996-97. Did you see it?

Today in science: Galileo’s birthday

Happy 455th birthday to one of the first modern scientists, Galileo. With the aid of an early telescope, he helped remove Earth from the center of the universe.

Today in science: Carl Sagan’s birthday

For many, for decades, Carl Sagan’s name was synonymous with astronomy.

Gravitational anomaly seen in lab crystal

An exotic effect in particle physics, theorized to occur in immense gravitational fields — near a black hole, or in conditions just after the Big Bang — has been seen in laboratory crystal.

Maryam Mirzakhani, mathematician, dies at 40

She was an outstanding mathematician and first woman to receive the prestigious Fields Medal. Maryam Mirzakhani died on July 14 after a several-year battle with breast cancer.

Wow! signal explained after 40 years?

New evidence suggests the well-known Wow! signal from 1977 – long thought by some to be a sign of extraterrestrial life – was in fact generated by a passing comet.

Biggest 3D map of the universe yet

Astronomers from the Sloan Digital Sky Survey used the most luminous objects in the universe – quasars – to create their new 3D map of space.

Is there life on Saturn’s moon?

A form of chemical energy that can support life appears to exist on Saturn’s moon Enceladus.