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Watch for Delta Aquariid meteors

They’re the reason it’s fun to begin watching for meteors in late July. The Delta Aquarid shower is long and rambling and overlaps with the Perseids.

Star of the week: Vega

One of the prettiest stories in all skylore surrounds this star. “On the 7th night of the 7th moon … “

Hubble sees Phobos orbiting Mars

This image and video aren’t artists’ illustrations. They’re from a real time-lapse sequence of images – acquired by the Hubble Space Telescope – of the tiny moon Phobos orbiting Mars. Cool!

Video: Moon hoax not

SG Collins explains why the Apollo moon landings on the moon in the late 1960s and early ’70s couldn’t have been faked.

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Today in science: 1st footsteps on moon

Today is the 48th anniversary of humanity’s historic first steps on the moon. The story in pictures, here.

A shadow-band project for August 21

Shadow bands are elusive ripples of alternate light and dark, flitting over the ground or the sides of buildings during a total solar eclipse. How to take part in an International Shadow Band Campaign during the August 21 eclipse.

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.

How close will asteroid 2012 TC4 come?

Asteroid 2012 TC4 might give Earth a close shave in October, 2017. Or the asteroid could pass more distantly. Astronomers are keen to observe it now, to learn more about its orbit.

EarthSky’s meteor shower guide for 2017

All you need to know about 2017’s major meteor showers. Next good opportunity is late July and early August. Watch between midnight and dawn, when the moon is down. You won’t catch a magnificent display, as in some years, but you might see some!

Global methane levels hitting new highs

Here’s why, after a 2000-era plateau, global levels of the greenhouse gas are hitting new highs.

Have you seen the Mayak satellite?

On July 14, an amateur group in Russia launched a small satellite called Mayak. They said it would become the “brightest shooting star” in the sky. Why’d they do it? Here’s how to look for it.

Fire ants build with no master plan

Researchers identified simple behavioral rules that allow these tiny creatures to collaboratively build elaborate structures – rafts and towers – with no one in charge.

Soar over Pluto and Charon

To celebrate the 2-year anniversary of New Horizon’s flyover of the Pluto system, NASA released these 2 cool videos. Sail over the surface of Pluto and its large moon Charon.