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Updated: 5 min 56 sec ago

New Horizons’ next target: spotted

6 hours 43 min ago
NASA successfully observed the Kuiper Belt object 2014 MU69 as it passed in front of a star — for two seconds.
Categories: Astronomy

Is the Moon's mantle wet?

Mon, 07/24/2017 - 04:00
New studies of volcanic deposits indicate our satellite’s interior contains more water than we thought.
Categories: Astronomy

NASA unveils detailed maps and flyby videos for New Horizons anniversary.

Fri, 07/21/2017 - 04:00

Now you can relive the historic flyby with these releases.

Categories: Astronomy

Ending all life on Earth would take a pretty big object

Thu, 07/20/2017 - 04:00
Like, say, a large asteroid or dwarf planet.
Categories: Astronomy

Making Contact: Jill Tarter and the SETI Search

Thu, 07/20/2017 - 04:00
A new book explores the famed astronomer’s career and lifetime of searching the skies.
Categories: Astronomy

"Alien megastructure" star may be a sign of a dying world

Wed, 07/19/2017 - 04:00
Or, what disintegrating planets tell us about solar system formation.
Categories: Astronomy

The hunt is on for planets around some of our closest neighboring stars

Tue, 07/18/2017 - 04:00
Keep your eyes on the skies with the Red Dots team.
Categories: Astronomy

We’ve just found one of the brightest star-forming galaxies yet

Mon, 07/17/2017 - 04:00
This distant galaxy is a thousand times brighter than our own.
Categories: Astronomy

Now is your chance to fund a groundbreaking SETI project

Fri, 07/14/2017 - 04:00
Laser SETI will be the first all-sky-all-the-time SETI survey.
Categories: Astronomy

Juno gets up close and personal with Jupiter’s Great Red Spot

Fri, 07/14/2017 - 04:00
You won’t want to miss the best pictures we’ve ever taken of this Earth-sized storm.
Categories: Astronomy

Shifting ice on Jupiter’s moon could probe its interior

Thu, 07/13/2017 - 04:00
Why planetary scientists want to capture the sounds of an icy world.
Categories: Astronomy

Help find exoplanets with EVE Online

Thu, 07/13/2017 - 04:00
Now you can find exoplanets while playing an online game.
Categories: Astronomy

New exoplanet challenges formation models

Wed, 07/12/2017 - 04:00
Take a closer look at the fast-spinning system that spawned an exoplanet we can image… but don’t understand.
Categories: Astronomy

Astronomers just discovered the smallest star ever

Wed, 07/12/2017 - 04:00
While on the search for exoplanets, the team came across this tiny companion.
Categories: Astronomy

These free-range planets rove around in a pair

Tue, 07/11/2017 - 04:00
It’s basically a solar system without a sun.
Categories: Astronomy

An oddball planet has astronomers scratching their heads

Mon, 07/10/2017 - 04:00
The star too swift … the planet too far … so far, this system doesn’t make much sense.
Categories: Astronomy

Our nearest neighboring planet may have a sister world

Fri, 07/07/2017 - 04:00
Proxima Centauri b may not be alone out there. The 2016 announcement of Proxima Centauri b was a watershed moment in exoplanet research. Not only had researchers found a potentially habitable Earth-mass planet, but it was at the nearest star to Earth. This means it could be one of the easiest systems to study using future telescopes. But researchers are now looking into some promising signals suggesting there are more planets lurking in the system. Indeed, such a companion was suggested in the i
Categories: Astronomy

Mars may be more toxic to life than we thought

Fri, 07/07/2017 - 04:00
Life on Mars … does it exist? Depending on when you last checked in with news about the Red Planet, you could probably be convinced either way. As we discover more and more about the composition and planetary dynamics of Mars, there has been cause for both elation and disappointment regarding the likelihood that organic life could manage to eke out a living on the planet. The pendulum swung back toward the “no” side today with the release of a study examining how a special kin
Categories: Astronomy

Astronomers find two classes of gas giant planets

Thu, 07/06/2017 - 04:00
Evidence indicates giant planets form differently depending on their mass.
Categories: Astronomy

Brown dwarfs are as plentiful as stars

Thu, 07/06/2017 - 04:00
A new survey suggests that there may be one failed star for every successful one out there.
Categories: Astronomy

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