Known asteroids near Earth today

The first map shows all the known asteroids within one-third of Earth's distance from the sun today - Asteroid Day - June 30, 2016. Look below for a second map.

Join astronomers in tracking asteroids

Sign up to trigger asteroid observations on a global telescope network on Asteroid Day, June 30. Anyone can help! Sign up by 00:00 UTC on July 1.

After this, Mars will get fainter

Mars retrograde motion in front of the backdrop stars ends June 30. It means the best time in 2 years to observe Mars is now drawing to a close.

Juno on Jupiter’s doorstep

Juno spacecraft on approach to Jupiter! The craft will arrive at Jupiter on July 4, first spacecraft to orbit the giant planet since Galileo (1995-2003).

Coral reefs hit hard by bleaching

"It’s time to shift this conversation to what can be done to conserve these amazing organisms in the face of this unprecedented global bleaching event."

Spectacular new images of Jupiter

Just days before the Juno spacecraft's arrival at Jupiter on July 4, astronomers unveiled these VLT images of Jupiter in the infrared.

Today in science: Egypt’s first meteorite

It was the first meteorite in the Egyptian record. Years after the event, scientists concluded through various tests that it came all the way from Mars.

Want to go stargazing?

Where to go stargazing in Georgia, plus a word about a new feature - Best Places to Stargaze, for people around the world - just launched at EarthSky.

Cygnus spacecraft’s fiery re-entry

Scientists aboard an aircraft caught the impressive streak and final breakup of the Orbital ATK Cygnus supply ship, as it re-entered Earth's atmosphere on June 22.

A new type of ichthyosaur

Don't call it a swimming dinosaur, scientists say. The newly discovered ichthyosaur looks much like a dolphin or shark and swam Earth's seas for millions of years.