Universe Today (Page 165)

When Does the Sun Rise... Really?

By David Dickinson - January 31, 2019 05:56 AM UTC | Solar Astronomy

It's strange but true... we may not fully understand one of the simplest metrics in observational astronomy: just what time does the Sun rise... really?

Weekly Space Hangout: Jan 30, 2019: Rod Pyle talks "Space 2.0"

By susie - January 30, 2019 08:55 PM UTC | Site News

Crew Dragon Rolls Out to the Launch Pad. Demo-1 Flight Should Happen Shortly

By Evan Gough - January 30, 2019 04:06 PM UTC | Space Exploration

One of the Oldest Earth Rocks Turned up on the Moon, of all Places

By Matthew Williams - January 30, 2019 03:45 PM UTC | Planetary Science

A recent study has determined that the oldest sample of Earth rock ever discovered (~4 billion years old) was actually found on the Moon.

Carnival of Space #596

By susie - January 30, 2019 02:07 PM UTC | Site News

Tiny Object Found at the Edge of the Solar System for the First Time. A Kuiper Belt Object that's Only 2.6 km Across

By Evan Gough - January 29, 2019 05:47 PM UTC | Planetary Science

Astronomers are Continuing to Watch the Shockwaves Expand from Supernova SN1987A, as they Crash Into the Surrounding Interstellar Medium

By Matthew Williams - January 29, 2019 03:34 PM UTC | Stars

An international team of researchers was able to accurately measure the effect that a supernova shock wave had on the surrounding gas for the first time.

Without the Impact that Formed the Moon, We Might Not Have Life on Earth

By Evan Gough - January 29, 2019 01:03 PM UTC | Astrobiology

Here it is, the high resolution photo of MU69 we've all been waiting for.

By Matthew Williams - January 28, 2019 06:14 PM UTC | Planetary Science

A newly-processed image of Ultima Thule provides the highest-resolution picture of the object to date.

Astronomy Cast Ep. 515: Space Radiation

By susie - January 28, 2019 03:32 PM UTC | Physics

Quasars with a Double-Image Gravitational Lens Could Help Finally Figure out how Fast the Universe is Expanding

By Evan Gough - January 25, 2019 01:33 PM UTC | Cosmology

What Would be the Benefits of an Interstellar Probe?

By Matthew Williams - January 25, 2019 01:15 AM UTC | Space Exploration

A new study from the Initiative for Interstellar Studies outlines the benefits and requirements of sending a probe on an interstellar mission.

A Planetary Nebula Like This Will Only be Visible for About 10,000 Years Before it Fades Away

By Evan Gough - January 24, 2019 02:59 PM UTC | Stars

Blue Origin has Shown off a New Video of its New Glenn Rocket Design

By Matthew Williams - January 24, 2019 02:48 PM UTC | Space Exploration

Blue Origin has released a new video of its proposed New Glenn launch vehicle, which will allow the company to send heavy payloads to space in the near future.

One of Our Best Views of the Supermassive Black Hole at the Heart of the Milky Way

By Evan Gough - January 23, 2019 06:21 PM UTC | Black Holes

SpaceX Starhopper Damaged in High Winds

By nextbigfuture - January 23, 2019 06:06 PM UTC | Space Exploration

Weekly Space Hangout: Jan 23, 2019: Marco Parigi, Asteroid/Comet Whisperer

By susie - January 23, 2019 04:54 PM UTC | Site News

A Disc of Icy Material, not Planet 9, Might Explain the Strange Movements in the Outer Solar System

By Evan Gough - January 23, 2019 02:35 PM UTC | Planetary Science

Amazing Images From Sunday's Total Lunar Eclipse as Observers Spy Impact Flash

By David Dickinson - January 23, 2019 11:40 AM UTC | Observing

Planetary Scientists Continue to Puzzle Over the Mysterious Slope Streaks on Mars. Liquid? Sand? What's Causing Them?

By Matthew Williams - January 22, 2019 05:40 PM UTC | Planetary Science

New research indicates what could be causing those mysterious slope streaks on Mars, using an Earth analog.

Saturn's Rings are Only 10 to 100 Million Years Old

By Evan Gough - January 22, 2019 04:52 PM UTC | Planetary Science

Carnival of Space #595

By susie - January 21, 2019 04:41 PM UTC | Site News

Astronomy Cast Ep. 514: Planetary Protection Protocols

By susie - January 21, 2019 04:25 PM UTC | Planetary Science

Messier 77 - the Cetus A Barred Spiral Galaxy

By tammy-plotner - January 21, 2019 03:00 PM UTC | Extragalactic

Located 47 million light years from Earth in the Cetus constellation is the barred spiral galaxy known as Messier 77.

Steam-Powered Spacecraft Could Explore the Asteroid Belt Forever, Refueling Itself in Space

By Matthew Williams - January 21, 2019 02:33 PM UTC | Space Exploration

A partnership between Honeybee Robotics and the University of Central Florida has produced the first steam-powered spacecraft for asteroid mining.

Geothermal Heating Could Make Life Possible on the Super Earth Planet at Barnard's Star

By Matthew Williams - January 19, 2019 12:23 AM UTC | Exoplanets

Seeding the Milky Way with Life Using Genesis Missions

By Matthew Williams - January 18, 2019 04:33 PM UTC | Astrobiology

Claudius Gros, the founder of Project Genesis, makes the case that when it comes to extrasolar planets, the rules of planetary protection need not apply.

Cassini Saw Rain Falling at Titan's North Pole

By Evan Gough - January 18, 2019 04:06 PM UTC | Planetary Science

Astronomers Aren't Pleased About a Russian Plan to Put Billboards in Space

By Evan Gough - January 17, 2019 03:00 PM UTC | Space Policy

Weekly Space Hangout: Jan 16, 2019: Paul MacNeal of JPL's Annual Invention Challenge

By susie - January 16, 2019 09:15 PM UTC | Site News

There's Life on the Moon! China's Lander Just Sprouted the First Plants

By Matthew Williams - January 16, 2019 05:14 PM UTC | Astrobiology

The Chang'e-4 mission accomplished another first by being the first mission to grow plant life on the Moon. Unfortunately, the experiment was short-lived.

The Prototype for the Starship has been Assembled, Hop Tests Could be Happening Soon

By Evan Gough - January 16, 2019 02:30 PM UTC | Space Exploration

Jupiter Meets Venus at Dawn in a Close Conjunction

By David Dickinson - January 16, 2019 05:06 AM UTC | Observing

Titan's Thick Clouds Obscure our View, but Cassini Took these Images in Infrared, Showing the Moon's Surface Features

By Evan Gough - January 15, 2019 07:10 PM UTC | Planetary Science

A New Technique to Figure Out How Old Stars Are

By Evan Gough - January 15, 2019 05:27 PM UTC | Stars

Bizarre Double Star System Flipped its Planetary Disk on its Side

By Matthew Williams - January 15, 2019 04:17 PM UTC | Stars

An international research team recently found a binary star system with a debris disk that orbits around their poles.

Incredible Descent Video of the Chinese Lander to the Lunar Far Side

By Evan Gough - January 15, 2019 01:39 PM UTC | Space Exploration

Habitable Planets Around Red Dwarf Stars Might not get Enough Photons to Support Plant Life

By Matthew Williams - January 14, 2019 10:28 PM UTC | Exoplanets

A new study shows that planets orbiting red dwarf stars may not get enough radiation to support photosynthesis.

Messier 76 - the NGC 650/651 Planetary Nebula

By tammy-plotner - January 14, 2019 08:57 PM UTC | Observing

Located in the Perseus constellation, about 2,500 light years from Earth, is the planetary nebula known as Messier 76.

Astronomers See the Exact Moment a Supernova Turned into a Black Hole (or Neutron Star)

By Evan Gough - January 14, 2019 04:35 PM UTC | Black Holes

Astronomy Cast Ep. 513: Stellar Fusion

By susie - January 14, 2019 04:15 PM UTC | Stars

Neutrino Telescopes Look Deep in the Earth and Deep into Space

By nextbigfuture - January 14, 2019 03:10 PM UTC | Telescopes

Neutrino telescopes are another kind of telescope to go alongside telescopes for visible light, x-rays, infrared, ultraviolet, microwave, radio, gamma ray and gravity waves.