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Vesta, brightest asteroid, brightest for 2017

If you’ve never spotted an asteroid, now would be a good time to try. Vesta’s 2017 opposition is around now. Guy Ottewell provides charts and explains more.

Why stars seem brighter this time of year

No matter where you are on Earth on December, January and February evenings, you’re looking toward bright stars in our local spiral arm.

Seeking Alpha Centauri’s unseen planets

A new agreement between the European Southern Observatory and Breakthrough Initiatives will let ESO’s Very Large Telescope seek planets in the star system next door.

Watch 2017’s 2nd spacewalk Friday

ISS astronauts will work on a complex upgrade to the station’s power system during the January 13, 2017 spacewalk. Spacewalk begins around 7 a.m. EST (1200 UTC) and is expected to last about 6 hours.

EarthSky’s meteor shower guide for 2017

All you need to know about 2017’s major meteor showers! How and when to watch, and more.

What is a supermoon?

By at least 1 definition, the year 2017 has 4 supermoons. Three are new moons and not visible in our sky. The only full moon supermoon of 2017 will come in December.

Hubble peers along Voyagers’ future paths

The Hubble Space Telescope is gazing along the future trajectories of the 2 Voyager spacecraft – launched in 1977 – now heading into uncharted interstellar space.

Mars spacecraft spies Earth and moon

A powerful telescope orbiting Mars gives us a new view of Earth and its moon, showing continent-size detail on Earth and the relative size of the moon.

NASA announces 2 new asteroid missions

NASA’s new Lucy mission will tour 6 Trojan asteroids in Jupiter’s orbit. The other mission will go to 16 Psyche, a metal asteroid.

Black hole bonanza in deep x-ray image

A new ultra-deep X-ray image from Chandra X-ray Observatory has given astronomers their best look yet at the growth of black holes over billions of years, starting soon after the Big Bang.