Magazine

Exoplanets, Planets, Solar System

Venus has a weak magnetic field. Being much closer to the Sun than Mars, why has the solar wind not eroded its atmosphere?

Galaxies, Milky Way

The Milky Way and Andromeda galaxies are approaching each other. With current technology, how long would it take before we could directly measure the apparent increase in size of Andromeda?

Exoplanets, Planets, Solar System

Heidi Hammel: Exploring ice giant planets

Robotic Spaceflight, Solar System

Inside the historic mission to Europa

Exoplanets, Planets, Solar System

Transit of Mercury

Exoplanets, Planets, Solar System

Astronomers once thought Pluto’s atmosphere would condense down to the surface as it moved away from the Sun. Can that still be true, and if so, is that causing the surface features we now see?

Science

The Sun shines through portals at ancient monuments on certain days of the year. Given that Earth precesses on its axis every 26,000 years, wouldn’t that cause all those alignments to be off?

Stars

Are we there yet?

Stars

We are made up of elements forged in stars. But with the vast distances between stars, are we the product of only one star or many?

Stars

Where are the stars?

Exoplanets, Observing, Planets, Solar System, The Moon

Red Planet delights

Astrophotography

Data and doughnuts