Universe Today (Page 339)

Cygnus X-1 was the First Black Hole Ever Found. New Measurements Show it's Much More Massive Than Previously Believed

By Brian Koberlein - February 24, 2021 10:23 AM UTC | Black Holes

New parallax measurements of Cygnus X-1 by the VLBA find it is more distant than we thought, and therefore more massive.

Perseverance's Landing ... Seen From Orbit!

By Nancy Atkinson - February 23, 2021 05:19 PM UTC | Planetary Science

Since Perseverance is Searching for Life, What Will it Be Looking for?

By Evan Gough - February 23, 2021 05:18 PM UTC | Astrobiology

A map of 25,000 Supermassive Black Holes Across the Universe

By Brian Koberlein - February 23, 2021 03:55 PM UTC | Black Holes

The Low Frequency Array has mapped a portion of the sky at the lowest radio frequencies ever, revealing more than 25,000 supermassive black holes.

Watch Perseverance Land on Mars. Mind...Blown

By Evan Gough - February 23, 2021 02:14 PM UTC | Planetary Science

How Long Will Space Junk Take to Burn Up? Here's a Handy Chart

By Nancy Atkinson - February 23, 2021 12:12 PM UTC | Space Exploration

There's Evidence That Mars Once Had an Atmosphere With Less Oxygen. A Possible Biosignature For Life?

By Andy Tomaswick - February 23, 2021 08:32 AM UTC | Astrobiology

The Mars Helicopter is Online and Getting Ready to Fly

By Ralph Crewe - February 22, 2021 07:49 PM UTC | Planetary Science

Protogalaxy Cluster Found When the Cosmic Fog Was Starting to Clear, When the Universe Was Just 750 Million Years Old

By Andy Tomaswick - February 22, 2021 09:09 AM UTC | Extragalactic

Just Some of the Planets That TESS Has Found Nearby

By Matthew Williams - February 20, 2021 06:18 PM UTC | Exoplanets

Using data from TESS and a number of other observatories, an international team has found a system with three exoplanets relatively close to Earth.

Once He Steps Down From Amazon, Jeff Bezos Will be Able to Focus his Energy on Blue Origin

By Matthew Williams - February 19, 2021 06:16 PM UTC | Space Policy

Jeff Bezos' recent decision to step down as CEO of Amazon could be good news for Blue Origin, one of SpaceX's chief competitors!

Did a Comet Wipe out the Dinosaurs?

By Evan Gough - February 19, 2021 02:50 PM UTC | Planetary Science

A new Approach Could Tease out the Connection Between Gravity and Quantum Mechanics

By Brian Koberlein - February 19, 2021 12:39 PM UTC | Physics

A proposed experiment using super-cooled atoms could reveal the nature of quantum gravity.

Perseverance has Landed. Here are its First Pictures From the Surface of Mars

By Nancy Atkinson - February 19, 2021 11:13 AM UTC | Planetary Science

Following the Jovian Moons Through 2021 Mutual Eclipse Season

By David Dickinson - February 19, 2021 09:48 AM UTC | Planetary Science

Watch as the Jovian moons perform a spectacular celestial dance in 2021.

Cygnus X-1 was the First Black Hole Ever Found. New Measurements Show it's Much More Massive Than Previously Believed

Perseverance's Landing ... Seen From Orbit!

Since Perseverance is Searching for Life, What Will it Be Looking for?

A map of 25,000 Supermassive Black Holes Across the Universe

Watch Perseverance Land on Mars. Mind...Blown

How Long Will Space Junk Take to Burn Up? Here's a Handy Chart

There's Evidence That Mars Once Had an Atmosphere With Less Oxygen. A Possible Biosignature For Life?

The Mars Helicopter is Online and Getting Ready to Fly

Protogalaxy Cluster Found When the Cosmic Fog Was Starting to Clear, When the Universe Was Just 750 Million Years Old

Just Some of the Planets That TESS Has Found Nearby

Once He Steps Down From Amazon, Jeff Bezos Will be Able to Focus his Energy on Blue Origin

Did a Comet Wipe out the Dinosaurs?

A new Approach Could Tease out the Connection Between Gravity and Quantum Mechanics

Perseverance has Landed. Here are its First Pictures From the Surface of Mars

Following the Jovian Moons Through 2021 Mutual Eclipse Season

We Could Find Extraterrestrial Civilizations by Their Air Pollution

Magnetic Fields Help Shape the Formation of New Planets

Juno Just Saw a Spacerock Crash Into Jupiter

The Largest Crater on the Moon Reveals Secrets About its Early History

NASA's Perseverance Rover: The Most Ambitious Space Mission Ever?