Space & Future
How the Milky Way’s smallest neighbors reveal the early universe
Astronomers have long been fascinated by tiny galaxies that orbit the Milky Way.
These faint and fragile systems, known as ultra-faint dwarf galaxies, are often...
Binary stars form lots of exoplanets, but many of them are ejected as rogue...
Astronomers don't have to work hard to find binary stars in the Milky Way.
They're common, even abundant. For a long time, they thought that...
Scientists finally discover the true edge of the Milky Way
For many years, astronomers have wondered where the Milky Way truly “ends.” Unlike a solid object, our galaxy does not have a clear boundary.
Its...
Potential signs of life on distant planets sound exciting, but confirmation can take years
Astronomers can use telescopes to find specific molecules in the atmospheres of neighboring planets, in nebulae—clouds of interstellar dust and gas—hundreds or thousands of...
Astronomers find the edge of the Milky Way’s star-forming disc
Where exactly is the edge of the Milky Way?
That question is harder to answer than one might expect. Since we’re inside of the galaxy...
Forget our Sun—Planets might form more easily around double stars
For a long time, scientists believed that having two stars in one system would make it difficult for planets to form.
The strong gravitational pull...
Do stars slow down before they die? New study reveals a surprising twist
Stars may look calm and steady in the night sky, but deep inside they are constantly moving and changing.
One of the most important changes...
Young sun-like stars are not as menacing as thought
Scientists know that the behaviour of stars can dictate planetary habitability.
Research shows that young stars emit powerful radiation that can strip planetary atmospheres away.
And...
Curiosity rover uncovers 3.5-billion-year-old organic matter on Mars
NASA’s Curiosity rover has discovered a surprising variety of organic molecules on Mars, including chemicals that scientists consider important building blocks for life on...
Scientists map hidden magnetic fields on the sun’s far side
From Earth, we only ever see half of the sun.
The other half—the far side—is always hidden from view. But what happens there still matters.
Powerful...
Cosmic dances reveal the true weight of young stars in Orion
A star’s mass decides almost everything about its life, from how bright it shines to how it eventually dies.
But for young stars hidden deep...
Astronomers spot a Jupiter-like planet with possible ice clouds
Astronomers have discovered a distant planet similar to Jupiter that may be covered with thick clouds, offering new insights into how giant planets form...
Deep Space
Massive asteroid impact shifted the axis of solar system’s biggest moon
Around 4 billion years ago, a massive asteroid struck Ganymede, Jupiter’s largest moon, causing it to shift its axis, according to a new study...
Scientists trace the movement of 10,000 galaxies and clusters
Everything in our universe moves, but the timescales needed to see motion are often vastly greater than human lifetimes.
In a major new study, astronomers...
What could a future sovereign Mars economy look like?
What would the economy of a future Mars society look like, and how could it be self-sustaining while being completely sovereign from Earth and...
Australian Space Agency revealed the name of Australia’s Moon rover: Roo-ver
Australia has chosen.
Roo-ver has secured a place in history as the name of Australia’s first lunar rover, which will launch to the Moon with...
Mars was covered by a 300-meter-deep ocean 4.5 billion years ago
When Mars was a young planet, it was bombarded by ice asteroids delivering water and organic molecules necessary for life to emerge.
This means...