Dwarf star bends light, confirms Einstein

Awesome observation! Astronomers used the Hubble Space Telescope to measure the mass of a nearby white dwarf, as it bent the light of a more distant star.

Fav photos: 2017’s smallest full moon

EarthSky friends outdid themselves this weekend, taking photos of the full moon. Thanks to all who contributed!

Milky Way over Mount Abu Observatory

Nikunj Rawal captured the Milky Way over India's Mount Abu Observatory on June 1.

2017’s smallest full moon on June 9

June 9, 2017 brings the farthest full moon - and hence the smallest full moon - of the year. We've heard it called the micro-moon or mini-moon. Saturn is nearby.

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.

A planet hotter than most stars

Astronomers have discovered a Jupiter-like world hotter than most stars. The planet has a year only 1.5 days long and might have a tail like a comet.

This week, a daytime meteor shower

The Arietid meteor shower is the strongest daylight shower of the year. It lasts from late May through early June. Will you see any meteors? Maybe. Try around the morning of June 7.

How hard did it rain on Mars?

In a new study, geologists show there was rainfall on Mars in the past – and that it was heavy enough to carve out many of the features we see today on the planet’s surface.

Moon in Libra on June 6

It's a great night to identify Libra’s two modestly-bright stars, Zubenelgenubi and Zubeneschamali. Their names rhyme with Obi-Wan-Kenobi of Star Wars.

A novel approach to star trails

Featured in National Geographic and Nature, Canadian amateur astronomer Christian Sasse explains how he created his unique star trails, by superimposing images.