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Updated: 4 hours 28 min ago

If we find life on Mars, what might it be like?

Thu, 06/25/2020 - 04:00

The outer solar system harbors a number of tantalizing satellites that could potentially harbor life. But according to many, the best place in our solar system to search for a second tree of life is on Mars.

Categories: Astronomy

All black holes should sport light rings

Wed, 06/24/2020 - 04:00
Theoretical astrophysicists predict that a glowing halo just outside the event horizon should surround all black holes.
Categories: Astronomy

A look back on Spitzer's legacy

Tue, 06/23/2020 - 04:00
The Spitzer Space Telescope ceased operations in January, but not before giving scientists keen insight into star birth, exoplanets, and the shape of our galaxy.
Categories: Astronomy

Pluto has likely maintained an underground liquid ocean for billions of years

Tue, 06/23/2020 - 04:00
The discovery hints that subsurface oceans are common in the outer solar system, which is good news for the those seeking extraterrestrial life.
Categories: Astronomy

Enjoy the sky's great globulars

Mon, 06/22/2020 - 04:00
These 20 top clusters offer magical targets in any season.
Categories: Astronomy

How many extraterrestrial civilizations could be trying to communicate with us right now?

Mon, 06/22/2020 - 04:00
A new way to count the number of intelligent ET cultures suggests we are far from alone; but also that we may never be able to find them, astronomers say.
Categories: Astronomy

Nabta Playa: The world's first astronomical site was built in Africa and is older than Stonehenge

Sat, 06/20/2020 - 04:00
This 7,000-year-old stone circle tracked the summer solstice and the arrival of the annual monsoon season. It's also the oldest known astronomical site on Earth.
Categories: Astronomy

The Sky This Week from June 19 to 26

Fri, 06/19/2020 - 04:00
Stream a solar eclipse and hunt down deep-sky objects this week.
Categories: Astronomy

An unprecedented look at the atmosphere of the supergiant star Antares

Fri, 06/19/2020 - 04:00
An international team of astronomers have created the most detailed radio map of any star, other than the Sun, revealing the true size of Antares.
Categories: Astronomy

<i>Infinity and Beyond</i> will bring the cosmos directly to you

Thu, 06/18/2020 - 19:00
Join Abigail Bollenbach in this new video series, where she’ll take you on a different cosmic adventure each week.
Categories: Astronomy

Diving deep into the world of "Galaxies" with David Eicher

Thu, 06/18/2020 - 04:00
These star cities are vast islands of matter, floating in a nearly limitless sea of inky black space.
Categories: Astronomy

How do black holes grow into the varied beasts we see today?

Wed, 06/17/2020 - 04:00
Scientists shed light on how black holes evolve in both the nearby and distant universe. 
Categories: Astronomy

Meteorites from Mars contain clues about the Red Planet's geology

Tue, 06/16/2020 - 04:00
Martian meteorites allow scientists here on Earth to decode that planet's geology, more than a decade before the first missions are scheduled to bring rocks back home from Mars.
Categories: Astronomy

Inside the quest to use cosmic explosions as distance markers

Mon, 06/15/2020 - 04:00

A future space mission called THESEUS could give cosmologists a better understanding of our early universe.

Categories: Astronomy

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