Universe Today (Page 353)

Gravitational lenses could be the key to measuring the expansion rate of the Universe

By Brian Koberlein - November 23, 2020 12:48 PM UTC | Cosmology

Nailing down cosmic expansion could depend on distant quasars, and the time it takes their light to reach us when gravitationally lensed.

Arecibo's Damage is so Serious and Dangerous, They're Just Going to Scrap the Observatory Entirely

By Matthew Williams - November 22, 2020 07:59 PM UTC | Telescopes

In the wake of a second structural failure, the NSF has announced that the iconic Arecibo Observatory will be decommissioned after 57 years of service.

A High Resolution, Cross-Eyed Look at the Entire Surface of Mars

By Nancy Atkinson - November 22, 2020 03:57 PM UTC | Planetary Science

Scientists Have Re-Analyzed Their Data and Still See a Signal of Phosphine at Venus. Just Less of it

By Matthew Williams - November 20, 2020 09:02 PM UTC | Astrobiology

The team that detected phosphine in Venus' atmosphere has reexamined the data and confirmed their discovery, with a few caveats and addendums.

The First Civilization We Contact Will Have Been Around Much Longer Than Humanity

By Andy Tomaswick - November 20, 2020 01:25 AM UTC | Astrobiology

A 100-Meter Rotating Liquid Mirror Telescope on the Moon? Yes Please.

By Matthew Williams - November 19, 2020 08:07 PM UTC | Telescopes

A team from UT Austin has renewed a proposal for a liquid-mirror telescope on the Moon that could study the first stars in the Universe.

Earth and the Moon Might Have Captured an Old Upper Stage Rocket

By Matthew Williams - November 19, 2020 06:46 PM UTC | Planetary Science

According to NASA, an object detected between the Earth and Moon could actually be the spent stage of a rocket booster from the early Space Age.

There Might Be Water On All Rocky Planets

By Evan Gough - November 19, 2020 03:57 PM UTC | Planetary Science

Weekly Space Hangout: November 18, 2020 – Dr. Ralph Lorenz, Planetary Scientist and Dragonfly Mission Architect

By Nancy Graziano - November 19, 2020 02:13 PM UTC | Planetary Science

Some of the Milky Way's oldest stars aren't where they're expected to be

By Brian Koberlein - November 19, 2020 12:23 PM UTC | Milky Way

Some of the oldest stars in our galaxy have orbits similar to the Sun, and we don't know why

Earth's toughest bacteria can survive unprotected in space for at least a year

By Ralph Crewe - November 18, 2020 04:59 PM UTC | Astrobiology

An Iceberg the Size of South Georgia Island is on a Collision Course with... South Georgia Island

By Evan Gough - November 18, 2020 04:07 PM UTC | Planetary Science

Past Supernovae Could be Written Into Tree Rings

By Matthew Williams - November 18, 2020 03:37 PM UTC | Stars

A new study by CU Boulder geoscientist Robert Brakenridge shows how nearby supernovae could have disrupted Earth's climate in the past

Astronomers think they've seen a magnetar form for the first time; the collision of two neutron stars

By Brian Koberlein - November 18, 2020 12:36 PM UTC | Stars

Astronomers have seen how two neutron stars created the brightest kilonova ever observed.

Merging Black Holes and Neutron Stars. All the Gravitational Wave Events Seen So Far in One Picture

By Evan Gough - November 17, 2020 01:29 PM UTC | Black Holes

New Horizons Saw the Universe With Even Less Light Pollution than Hubble's View

By Matthew Williams - November 16, 2020 03:55 PM UTC | Observing

A new study based on New Horizons data has conducted the most accurate measurements of the Universe's background light to date.

There are Planets So Close to Their Stars That They Have Magma Oceans 100km Deep and Winds that Go 8000 km/h

By Matthew Cimone - November 16, 2020 01:39 PM UTC | Exoplanets

Gravitational lenses could be the key to measuring the expansion rate of the Universe

Arecibo's Damage is so Serious and Dangerous, They're Just Going to Scrap the Observatory Entirely

A High Resolution, Cross-Eyed Look at the Entire Surface of Mars

Scientists Have Re-Analyzed Their Data and Still See a Signal of Phosphine at Venus. Just Less of it

The First Civilization We Contact Will Have Been Around Much Longer Than Humanity

A 100-Meter Rotating Liquid Mirror Telescope on the Moon? Yes Please.

Earth and the Moon Might Have Captured an Old Upper Stage Rocket

There Might Be Water On All Rocky Planets

Weekly Space Hangout: November 18, 2020 – Dr. Ralph Lorenz, Planetary Scientist and Dragonfly Mission Architect

Some of the Milky Way's oldest stars aren't where they're expected to be

Earth's toughest bacteria can survive unprotected in space for at least a year

An Iceberg the Size of South Georgia Island is on a Collision Course with... South Georgia Island

Past Supernovae Could be Written Into Tree Rings

Astronomers think they've seen a magnetar form for the first time; the collision of two neutron stars

The family tree of the Milky Way. The mergers that gave us the galaxy we see today

Fast radio bursts within the Milky Way seem to be coming from magnetars

A Record Close Shave: Asteroid 2020 VT4 Just Skimmed by Earth

Merging Black Holes and Neutron Stars. All the Gravitational Wave Events Seen So Far in One Picture

New Horizons Saw the Universe With Even Less Light Pollution than Hubble's View

There are Planets So Close to Their Stars That They Have Magma Oceans 100km Deep and Winds that Go 8000 km/h