Universe Today (Page 221)

Is Kapteyn B Not to Be?

By David Dickinson - July 07, 2015 11:00 AM UTC | Exoplanets

New Horizons Exits Safe Mode, Operating Flawlessly for Upcoming Pluto Encounter

By ken-kremer - July 06, 2015 11:16 PM UTC | Missions

Catching Earth at Aphelion

By David Dickinson - July 06, 2015 12:40 PM UTC | Planetary Science

Newest Planet: Is it Pluto, Eris or Extrasolar?

By Matthew Williams - July 06, 2015 09:00 AM UTC | Planetary Science

With astronomers discovering new planets and other celestial objects all the time, you may be wondering what the newest planet to be discovered is.

Russian Progress Supply Freighter Docks at Space Station, Ending String of International Launch Failures

By ken-kremer - July 05, 2015 03:35 PM UTC | Space Exploration

What is the Roden Crater?

By Matthew Williams - July 05, 2015 12:00 PM UTC | Planetary Science

NASA Loses Contact with New Horizons; Probe Now in Safe Mode

By bob-king - July 05, 2015 11:14 AM UTC | Missions

Challenger and Columbia Crews Memorialized in Emotional New "Forever Remembered" Exhibit at Kennedy Space Center

By ken-kremer - July 04, 2015 10:15 PM UTC | Space Policy

Red-faced Pluto Full of Surprises

By bob-king - July 04, 2015 01:08 PM UTC | Planetary Science

Russian Progress Launch Restores Critical Cargo Lifeline to Space Station

By ken-kremer - July 03, 2015 09:32 PM UTC | Space Exploration

River of Fire Smoke Darkens Sun and Moon

By bob-king - July 03, 2015 11:55 AM UTC | Solar Astronomy

Uranus' Moon Titania

By Matthew Williams - July 03, 2015 09:00 AM UTC | Planetary Science

Rosetta's Comet Sparkles with Ice, Blows Dust From Sinkholes

By bob-king - July 02, 2015 01:10 PM UTC | Missions

How Do Astronauts Avoid Debris?

By Fraser Cain - July 02, 2015 12:45 PM UTC | Space Exploration

Falcon 9 Failure Investigation Focuses on Data not Debris as SpaceX Seeks Root Cause

By ken-kremer - July 02, 2015 10:33 AM UTC | Space Exploration

What is a Terrestrial Planet?

By Matthew Williams - July 01, 2015 09:00 AM UTC | Exoplanets

Earth and all the other inner planets of the Solar System have something in common: they are composed of silicate rock and minerals that is differentiated into layers (i.e. terrestrial)

Astronomy Cast Ep. 383: Approaches to Absolute Zero

By Fraser Cain - June 30, 2015 03:10 PM UTC | Physics

Carnival of Space #412

By susie - June 30, 2015 03:02 PM UTC | Site News

See Pluto for Yourself Ahead of New Horizons' Historic Encounter

By David Dickinson - June 30, 2015 01:13 PM UTC | Planetary Science

Is That a Big Crater on Pluto? Pyramidal Mountain Found on Ceres

By bob-king - June 30, 2015 11:55 AM UTC | Planetary Science

Who Were the First Men on the Moon?

By Matthew Williams - June 30, 2015 09:00 AM UTC | Space Exploration

Cause of SpaceX Falcon 9 Rocket Failure Unknown; Launch Explosion Photos

By ken-kremer - June 29, 2015 04:25 PM UTC | Space Exploration

What is the Habitable Zone?

By Fraser Cain - June 29, 2015 04:21 PM UTC | Astrobiology

Venus and Jupiter Meet At Last

By bob-king - June 29, 2015 11:44 AM UTC | Observing

SpaceX Dragon Destroyed in Catastrophic Explosion Soon After Florida Blastoff

By ken-kremer - June 28, 2015 12:28 PM UTC | Space Exploration

What Did Galileo Invent?

By Matthew Williams - June 28, 2015 09:00 AM UTC | Observing

SpaceX set for Station Resupply Blastoff with Crew Docking Adapter and Bold Landing Attempt on June 28 - Watch Live

By ken-kremer - June 27, 2015 07:17 PM UTC | Space Exploration

What are the Signs of the Planets?

By Matthew Williams - June 27, 2015 12:00 PM UTC | Planetary Science

What Is The Space Age?

By Matthew Williams - June 27, 2015 09:00 AM UTC | Space Exploration

Weekly Space Hangout – June 26, 2015: Paul Sutter, CCAPP Visiting Fellow

By Fraser Cain - June 26, 2015 02:59 PM UTC | Site News

Rosetta Orbiter Approved for Extended Mission and Bold Comet Landing

By ken-kremer - June 25, 2015 09:04 AM UTC | Missions

A Brief History of Nukes in Space

By David Dickinson - June 25, 2015 08:42 AM UTC | Space Policy

Will We Ever Reach Another Star?

By Fraser Cain - June 24, 2015 01:45 PM UTC | Stars

What Is a Tsunami?

By Matthew Williams - June 24, 2015 12:00 PM UTC | Planetary Science

What is the Biggest Planet in the Solar System?

By Matthew Williams - June 24, 2015 09:00 AM UTC | Planetary Science

Genesis of ULA's New Vulcan Rocket Borne of Fierce Commercial and Political Pressures: Interview

By ken-kremer - June 23, 2015 09:54 PM UTC | Space Policy

Astronomy Cast Ep. 382: Degenerate Matter

By Fraser Cain - June 23, 2015 02:52 PM UTC | Stars

Carnival of Space #411

By susie - June 23, 2015 02:46 PM UTC | Site News

"Oh Pluto" Will Tug at Your Heartstrings

By Nancy Atkinson - June 23, 2015 01:17 PM UTC | Planetary Science

About Time: Is the June 30th Leap Second the Last?

By David Dickinson - June 23, 2015 12:42 PM UTC | Physics

What Are The Biggest Mysteries in Astronomy?

By Fraser Cain - June 22, 2015 01:18 PM UTC | Cosmology

See the Beauty of Earth and Space in Stunning New ISS Timelapse

By Nancy Atkinson - June 22, 2015 12:17 PM UTC | Space Exploration

Book Review: Human Migration to Space

By Mark Mortimer - June 22, 2015 11:52 AM UTC | Space Exploration

This Father's Day is One of the Longest Days in the History of the Earth - Here's Why

By beckynevin - June 21, 2015 05:13 PM UTC | Solar Astronomy

How Many Moons Does Uranus Have?

By Matthew Williams - June 21, 2015 12:00 PM UTC | Planetary Science

Like all the gas and ice giants of the outer Solar System, Uranus has an impressive system as moons, of which there are quite a few!

Last-Minute Father's Day Gift: Give Him a Crater on Mars

By Nancy Atkinson - June 20, 2015 09:15 AM UTC | Planetary Science

Uranus's Moon Oberon

By Matthew Williams - June 20, 2015 09:00 AM UTC | Planetary Science

NASA'S New Horizon's Hangout: Countdown to Pluto!

By susie - June 19, 2015 04:08 PM UTC | Missions

NASA Gives 'GO' for Mission to Alien Ocean World at Jupiter Moon Europa

By ken-kremer - June 18, 2015 07:25 PM UTC | Missions

NASA New Horizons Hangout - Countdown to Pluto, Friday 2:30 EDT

By Fraser Cain - June 18, 2015 03:36 PM UTC | Missions