Astronomy

Stephen Hawking believes he’s solved a huge mystery about black holes

On Tuesday, famed physicist Stephen Hawking presented new theories on black holes to a crowd of esteemed scientists and members of the media at KTH Royal Institute of Technology in Stockholm.

Astronomy: From Betelguese to Vega, who named the stars?

This 1000-year-old astrolabe was tool for measuring celestial angles.

Perry Vlahos   While Europe was engulfed by the Dark Ages, Muslim scholars were mapping the skies, as can be seen by the number of stars with Arabic names.

Canberra's newest deep space antenna on track

The new 34m antenna at the CSIRO Deep Space Communications facility at Tidbinbilla is under-construction.

Rebecca Colquhoun   New antenna will bring Canberra's complex on par with Deep Space Networks in California and Madrid.

Sonic boom stuns Tamworth residents after meteor shower fireball

A meteor streaks across the sky near Kraljevine, Bosnia and Herzegovina early on Wednesday morning. The annual Perseid meteor shower reaches its peak on Wednesday and Thursday, according to NASA.

Kate Aubusson and Ross Tyson   The meteor shower that caused an almighty sonic boom and shattered the peace in Tamworth on Wednesday morning was just a dress rehearsal for Thursday night's interstellar event.

Identifying galaxies in the comfort of your home

Andromeda galaxy.

Marcus Strom   Help astronomers classify more than 150,000 galaxies across 2.3 billion light years.

The universe is dying, but don't panic just yet

An impression of what a night sky could look like during the collision of the Milky Way and Andromeda galaxies. By that time, the sun will have swallowed the Earth.

Marcus Strom   The evidence is in: the universe is cactus.

Planet Earth keeps a record of its greatest hits

The Wolfe Creek meteorite crater looks spectacular in the setting sun.

Perry Vlahos   Craters are visible evidence of direct strikes from projectiles flying through space.

Is there anybody out there?

An artistic illustration compares Earth (left) to a planet beyond the solar system that is a close match to Earth, called Kepler-452b. The planet, which is about 60 per cent bigger than Earth, is about 1400 light years away in the constellation Cygnus.

Dennis Overbye   The search for extraterrestrial life has received a multimillion-dollar boost, but the odds of finding aliens are … astronomical, writes Dennis Overbye.

Meteor captured streaking through Jervis Bay sky

It'€™s not every day you get to see, let alone photograph, bioluminescence and then throw a meteor into the equation. But that is what Vincentia photographer Maree Clout has managed to capture.

Robert Crawford   Up in the sky, it's a bird, it's a plane, no, it's a meteor.

After bumpy landing, Philae spacecraft provides insight on comet

Flight engineers work in the main control room of the European Space Operations Centre (ESOC) in Darmstadt, Germany, in this file picture taken on January 20, 2014.

Irene Klotz   Europe's Philae spacecraft did not have much time to do its work after surviving a bounce landing on the surface of a comet, but information it collected is reshaping scientists' thinking about these icy bodies, research published on Thursday shows.

Homegrown NASA scientist wants Australia in the space race

BRISBANE, AUSTRALIA - JULY 30:  Astrobiologist and co-leader of NASA's Mars 2020 rover mission Dr Abigail Allwood on July 30, 2015 in Brisbane, Australia.  (Photo by Michelle Smith/Fairfax Media)

Cameron Atfield   The Brisbane astrobiologist at the forefront of NASA's next mission to Mars has one regret in her stellar career – that she could not lead the charge to discover evidence of extraterrestrial life from her own country.

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Mercury joining celestial duo's show in night sky

Mercury's horizon is seen from orbit by NASA's Messenger probe, in this image released in 2011.

Perry Vlahos   Venus and Jupiter have been performing a mesmerising pas de deux, changing their positions nightly, as they adhere to their orbits.

Sun-like star found to have Earth-like planet in its Goldilocks zone

Artist's impression of an earlier discovered exoplanet, Kepler-186f. Unlike Kepler-452b, this planet orbits a cooler red dwarf.

Marcus Strom   For the first time a near-Earth-sized planet has been found orbiting a star that is very much like our own sun.

How computer game parts might help us find signs of alien life

Stephen Hawking outlines the Breakthrough Listen project, which will search for signs of alien life beyond our galaxy.

Daisy Dumas   Forget little green men and flying saucers. When - and if - Professor Matthew Bailes and his team find signs of extraterrestrial life from beyond the Milky Way, the moment might come as something of an anticlimax to you and me.

Light years helps us make sense of space

Illustration: Michael Fitzjames.

Perry Vlahos   Space is so immense that our normal measuring unit, the kilometre, fails to have any real meaning.

What is Pluto's puzzling surface pattern?

Is that Pluto's heart? The dwarf

Sarah Knapton   As the first up-close photographs of the dwarf planet are beamed back, scientists are captivated by a familiar shape.

New Horizons offers peek at Pluto

An artists rendition of the New Horizons spacecraft nearing Pluto. Soon we should see photos transmitted from it.

Perry Vlahos    Perry Vlahos is excitedly awaiting the first images of mysterious Pluto and its moons.

Scientists have discovered how the month you're born matters for your health

Sagittarius

Ana Swanson   A new study suggests that your birth month has a connection with the diseases you might develop in your lifetime.

Renaissance man emerged from shadows

Perry Vlahos   The solstice is a reminder of the ingenuity of the human mind and how one man on the solstice in 240BC used it for a monumental discovery 2255 years ago.

Work experience boy Tom Wagg discovers new planet

'There could be other planets around it' ...Tom Wagg.

Victoria Ward   A teenager on work experience discovered a new planet 1,000 light years away. Tom Wagg was 15 when he spotted a tiny dip in the light of a distant star during his week-long placement at Britain's Keele University.