Season 22

46: Hunting for Dark Galaxies

June 21, 2019

An ancient collision with a newly discovered dark dwarf galaxy may be responsible for the Milky Way’s characteristic outer disk ripples.

45: A Giant Mass Anomaly

June 20, 2019

A giant mass anomaly detected under the Moon's largest crater

44: New Questions About the Origin of Earth’s Water

June 14, 2019

There’s a new chapter in the on-going search for the origin of Earth’s water.

43: Mars Insight’s Drill Fails

June 13, 2019

Scientists and engineers are trying to figure out why a key instrument on NASA’s Mars Insight lander has stopped working.

42: A Hundred Years of Gravity

June 5, 2019

It was a hundred years ago this month that observations performed during a total solar eclipse by Author Eddington proved for the first time that light can be physically bent by gravity.

41: A Potential Risk

May 30, 2019

A new study claims the Taurid meteoroid stream could pose a risk to planet Earth.

40: Shrinking Moon Causing Moonquakes

May 24, 2019

Astronomers say moonquakes are being generated as the Moon continues to cool and contract.

39: The Riddle

May 23, 2019

The riddle of the most distant object ever explored

38: 'Blue Moon' Lunar Lander Unveiled

May 17, 2019

The world’s richest man -- Amazon boss Jeff Bezos –– says his Blue Origin aerospace company could have people walking on the Moon by 2024.

37: Neutron Star – Black Hole Merger Detected

May 16, 2019

First possible Neutron Star – Black Hole Merger detected by LIGO

36: Magma and the Moon

May 10, 2019

Magma is the key to the Moon's makeup

35: Black Hole Twisting Spacetime

May 8, 2019

Astronomers have witnessed a black hole twisting the fabric of spacetime by its rotation.

34: First Results from ExoMars Trace Gas Orbiter

May 3, 2019

During its first year in orbit the ExoMars Trace Gas Orbiter has made some surprising discoveries ...

New Model for Nova Explosions

May 1, 2019

Scientists will need to go back to the drawing board to come up with new ways in which powerful explosions -- known as novae – can occur on the surfaces of white dwarf stars.

Beyond Einstein and the Black Hole Singularity

April 26, 2019

Physicists have reached beyond Albert Einstein to develop new equations that hypothesize that singularities don’t exist inside black holes.

The First Direct Image of a Black Hole

April 24, 2019

Astronomers have successfully captured one of the most important pictures in scientific history – an actual image of a supermassive black hole.

More confirmation of methane spikes on Mars

April 12, 2019

A re-analysis of data collected by the European Space Agency’s Mars Express orbiter has corroborated NASA’s Curiosity rover’s detection of methane on the red planet’s surface.

Bennu's Rugged Surface

April 11, 2019

Potentially deadly asteroid has a far more rugged surface than expected

Rivers Raged on Mars Late Into its History

April 5, 2019

A new study has found that significant quantities of water was still flowing down Martian rivers much later than expected.

Discovery of Galaxies Without Dark Matter

April 3, 2019

Astronomers have discovered two galaxies that appear to contain little or no dark matter.

Could Mysterious Fast Radio Bursts be Magnetars?

March 29, 2019

Astronomers have discovered a highly magnetic neutron star called a magnetar which appears to have a lot of the characteristics of mysterious high energy pulses known as Fast Radio Bursts.

Giant Asteroid Impact Crater

March 27, 2019

Scientists have discovered a giant 12 to 16-kilometre wide asteroid impact crater in Western Australia.

83 Super-massive Black Holes Discovered in the Early Universe

March 22, 2019

Astronomers have discovered 83 monstrous black holes feeding in the early universe.

Milky Way Warped and Twisted

March 21, 2019

The first accurate three-dimensional map of the Milky Way shows that the galaxy is warped and twisted.

Breaking Up Is Hard To Do

March 15, 2019

The Hollywood notion of Bruce Willis rocketing into space to blow up a giant asteroid on a collision course with the Earth is unlikely to ever reach fruition...

Mission Accomplished

March 14, 2019

SpaceX’s Crew Dragon 2 capsule has splashed down safely in the North Atlantic Ocean...

Crew Dragon2 Docks with Space Station

March 8, 2019

SpaceX’s new Crew Dragon 2 capsule has successfully docked with the international space station completing the first part of its historic demonstration one test flight.

Crew Dragon2 Launches Successfully

March 7, 2019

NASA and SpaceX have successfully launched the Crew Dragon 2 capsule on its historic first demonstration flight test flight...

The Geocorona

March 1, 2019

Scientists have discovered that a tenuous gaseous unseen outermost region of Earth’s atmosphere called the geocorona extends ...


Feb. 27, 2019

Japan’s Hayabusa2 spacecraft has briefly touched down on the surface of the asteroid Ryugu to collect samples...

Asteroid Impacts On Earth Have Been Increasing

Feb. 22, 2019

The Earth has seen an increase in asteroid impacts over the past 290 million years.

Goodbye Farewell and Amen

Feb. 20, 2019

Goodbye farewell and amen as mission end declared for the Opportunity rover...

A New Fundamental Constant of the Sun

Feb. 15, 2019

Astronomers have discovered that magnetic waves in the Sun's corona - its outermost layer of the atmosphere - react to sound waves escaping from the inside of the Sun

New Date

Feb. 13, 2019

A new date for the Milky Way’s collision with the Andromeda galaxy

New Twists In The Expansion Of the Universe

Feb. 8, 2019

Astronomers have uncovered what appears to be a glitch in the early expansion of the universe – beyond that predicted by the standard model of cosmology.

New Insights Into Exploding Stars

Feb. 7, 2019

Astronomers have experienced the most detailed observations ever undertaken of the first moments of the death of a star as a thermonuclear supernova.

The First Supermassive Black Holes

Feb. 1, 2019

A new study suggests that the very early universe – just after the big bang 13.82 billion years ago – may have seen conditions in which normal star formation was overtaken by the birth of monstrous black holes instead.

Some of Earth’s Oldest Rocks Found on the Moon

Jan. 31, 2019

Some of the oldest rocks on Earth have been discovered among lunar rock samples brought back to Earth from the Moon.

08: Are Fast Radio Bursts Generated by Flaring Magnetars?

Jan. 25, 2019

Scientists have developed a new hypothesis to try and explain mysterious cosmic energy blasts know as Fast Radio Bursts.

07: Strange New Phenomenon Cowers Astronomers

Jan. 24, 2019

The world’s premier astronomy and space science podcast.

06: Brightest Quasar In the Early Universe

Jan. 18, 2019

The world’s premier astronomy and space science podcast.

05: A Second Repeating Fast Radio Burst Detected

Jan. 16, 2019

The world’s premier astronomy and space science news podcast.

04: The First Clue To The Makeup of Dark Matter

Jan. 11, 2019

The world’s premier astronomy and space science podcast.

03: New Horizon’s Reveals A New Kind of World

Jan. 9, 2019

The world’s premier astronomy and space science podcast.

02: Fuzz On An Expanding Bubble?

Jan. 4, 2019

The world’s premier astronomy and space science podcast.

01: The Most Distant World Ever Visited

Jan. 2, 2019

The world’s premier astronomy and space science podcast.