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OSIRIS-REx sets sights on asteroid Bennu

NASA’s 1st mission to a near-Earth asteroid is now on its final approach, and the space agency released the craft’s 1st images late last week. It’ll arrive at asteroid Bennu on December 3.

NASA Selfies app lets you play astronaut

We’ve had lots of fun playing with this app over the past few days. It lets you generate snapshots of yourself in a virtual spacesuit, posing in front of places like the Orion Nebula or the center of the Milky Way galaxy.

Astronomers see a baby planet growing

They’ve confirmed for the 1st time that this newly formed planet – labeled PDS 70b – is still gathering material from the dust and gas around its star. They’re literally watching this new world develop and grow.

Water worlds are likely common

Earth is a water world, and a new study suggests there may be many more water worlds out there, including some larger and wetter than our planet.

InSight halfway there! Update on Opportunity rover

Updates on 2 Mars missions, 1 old and 1 new. Insight is on course for a November touchdown. The 15-year-old Opportunity rover lost contact with Earth months ago, due to a global dust storm, but the engineering team is hopeful.

Mars big as the moon on August 27?

This hoax circulates every August. It’s in the top 10 most-searched-for subjects at EarthSky this week. Is it true? No. Mars won’t be as big as the moon on August 27, or ever.

Ice confirmed at moon’s poles

It’s the 1st definitive evidence of water ice on the moon’s surface.

Compare sizes of sun and stars

It’s hard to get your head around the sheer size of objects in space, but take 2 minutes and give it a try!

Earth’s ingredients pretty normal, say astronomers

Astronomers have discovered that the basic building blocks of some planetary systems are very similar to Earth’s elements, helpful information in the search for truly Earth-like planets in other solar systems.

Curiosity finds strange object on the surface of Mars

The Mars Curiosity rover captured images of this strange object on the planet’s surface on Monday. What is it? NASA scientists have figured it out.