Displaying 1 - 20 of 219 articles

The light shining through an exoplanet’s atmosphere can give us a hint of whether the planet supports life. NASA, ESA, and G. Bacon (STScI)

Cloudy with a chance of life: how to find alien life on distant exoplanets

A hint of oxygen and a whiff of methane in a distant exoplanet's atmosphere may be the first evidence we discover of alien life.
Is this what we’re seeing around KIC 8462852 - a colossal megastructure built by alien intelligence? Probably not. The reality might be even more interesting. Kevin Gill/Flickr

Whatever the strangest star in the galaxy is, it’s sure to be amazing

There's a lot of speculation about a star behaving strangely in our galaxy. But even if it's not evidence of alien intelligence, it's sure to be an amazing discovery.
Why should astronomy be different from any other field when it comes to sexual harassment? Flickr/PROnate

Change is possible when sexual harassment is exposed

The reaction has been swift since a high-profile astronomer's legacy of sexual harassment against his students was exposed.
Supermassive black holes, containing as much mass as millions or billions of suns, exist at the centre of all galaxies, including our own Milky Way. NASA Goddard Space Flight Center

Speaking with: Meg Urry on supermassive black holes

Tanya Hill speaks with Meg Urry about distant galaxies and the supermassive black holes that lurk in their centres.
Unlike science fiction films featuring grotesque aliens and faraway galaxies, Ridley Scott’s The Martian depicts a sci-fi space mission that could soon be science fact. 20th Century Fox

How close are we to actually becoming Martians?

NASA has set a target date of 2030 for a manned mission to Mars. With no real scientific breakthroughs needed, success depends on developing the proper technology.
Dramatic, but not apocalyptic. Stanimir G Stoev

Fact over fiction on the ‘apocalyptic’ super blood moon

A rare super blood moon visible from parts of the Earth this month will delight those people lucky enough to see it. But why has this marvel of the solar system got some people so worried?
NASA artists' interpretation of the neutron star Swift J1749.4-2807 (left) with it’s companion star (right). NASA/Goddard Space Flight Center

Explainer: what is a neutron star?

They're are the overachievers of the universe: incredibly dense but very small when compared to others stars. So how much do we know about the extreme behaviour of neutron stars?
The discovery of Kepler-452b raises questions that go to the heart of religion. NASA/AAP/ Artist's impression of Kepler-452b.

Heavens above: what Earth 2.0’s discovery means for God

Kepler-452b's discovery last week has raised the perennial question: are we alone in the universe? While the find's scientific import is huge, it also poses questions that go to the heart of religion.
Breaking down the colours in the star light can reveal more about what you are looking at. Flickr/Indigo Skies Photography

Explainer: seeing the universe through spectroscopic eyes

Astronomers can tell a whole lot more about a star or a galaxy if they break up the visible light in a rainbow of colours.

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