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Full moon

Celestial News & Events

What to See with Your New Telescope During 2017 Holidays

Maybe you just got a shiny new telescope to call your own. Congratulations — you could be on your way to discovering many amazing, far, deep things in the night sky. Although most of them are so far and faint that just locating and detecting them is the challenge! Whether…

Cocoon scenario explains observations of GW170817

Stellar Science

Neutron-star Smashup Might Have Choked Its Own Jet

LIGO’s neutron-star smashup might not have been a typical short gamma-ray burst. If true, the detection points toward a new class of gamma-ray bursts — but the jury is still out.

caesar-concept

Space Missions

Two Finalists for NASA's New Frontiers

NASA has selected two finalists for consideration as the next New Frontiers mission: a comet sample return and a flying drone for Titan.

star on a scale

Exoplanets

60-Second Astronomy News: Dec. 20, 2017

This week's roundup of astro news brings us a polar-orbiting planet, a novel way to measure stellar masses, and ginormous convective bubbles on a distant star.

Portrayal of 'Oumuamua (1I/2017 U1)

Solar System

`Oumuamua: Red, Tumbling, and Silent

Astronomers' recent observations of our first-known interstellar visitor reveal that it is very strange indeed.

SkyMapper

Professional Telescopes

Explore The Southern Sky with SkyMapper

A new telescope called the SkyMapper has charted stars and galaxies across the southern sky, producing a map called "the best ever created."

Kepler-90 system

Exoplanets

Neural Network Finds 8-Planet System

Scientists have applied a brand of artificial intelligence to data from the exoplanet-hunting Kepler satellite, resulting in the discovery of the first eight-planet system outside our own.

Astronomy and Society

Official Names Approved for 86 More Stars

The International Astronomical Union has given its official approval for 86 star names, following up on last year's announcement of 227 official star names.

Meteor trail over Chelyabinsk

Solar System

AGU 2017: News from the Solar System

­­­Here's a quick look at results announced at the 2017 American Geophysical Union meeting in New Orleans: exploding meteoroids, Saturn's ring-atmosphere connection, and more bright spots on Ceres.

Solar System

Does New Horizons’ Target Have a Moon? (Update: Nope)

New analysis from the New Horizons team suggest that the spacecraft's next target in the Kuiper Belt might have a third companion.

Celestial News & Events

What's the Thinnest Crescent Moon You Can See?

A slender Moon is an beautiful and inspiring sight. December and January offer several opportunities to see these exceptional crescents.

Jupiter's Great Red Spot

Solar System

Juno Probes Depths of the Great Red Spot

NASA’s Juno spacecraft peeked under the clouds of the most iconic weather feature in the solar system, Jupiter’s Great Red Spot, revealing a complex structure deep below the surface.

Stellar Science

Which of Kepler’s Stars Flare?

The habitability of distant exoplanets is dependent upon many factors — one of which is the activity of their host stars. To learn about which stars are most likely to flare, a recent study examines tens of thousands of stellar flares observed by Kepler. Need for a Broader Sample Most…

Celestial News & Events

Fantastic Year for Geminid Meteor Shower

Mark the date: December 13th. That's the night the Geminid meteor shower peaks. Highlighted by the return of its parent asteroid 3200 Phaethon, this year's show promises to be one of the best ever.

Solar Eclipse 2017

Astronomy and Society

Eye Damage Reported from August's Eclipse

For a young woman who stared too long on August 21st, the partially eclipsed Sun left a lasting impression — on her retinas.

Sculptor dwarf galaxy

Cosmology

Stars Map Dark Matter in Dwarf Galaxy

A combo of Hubble and Gaia data reveal the distribution of dark matter in a tiny galaxy by tracking the galaxy’s stars.

cosmic time and quasar

Black Holes

Most Distant Black Hole Yet

Astronomers have discovered a supermassive black hole scarfing down gas just 690 million years after the Big Bang.

Voyager 1

Space Missions

Voyager 1 Fires Dormant Thrusters

NASA engineers directed the historic spacecraft Voyager 1 to fire its backup thrusters for the first time in 37 years.

galactic center, outflows marked

Black Holes

Infant Stars Huddle near Black Hole

A team of astronomers has found signs of small stars forming within a few light-years of the Milky Way’s central black hole.

Magnetic field of Earth

Solar System

Why is Earth Magnetized and Venus Not?

A new analysis reveals that the gigantic impact that led to the Moon's formation might have also switched on Earth's magnetic field.