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Astronomy May 14, 2024

Researchers chart Orion Nebula like never before

Star and planet formation is a messy affair. It starts with the gravitational collapse of a gigantic cloud of gas and dust, which simultaneously produces massive stars, whose intense radiation field creates a harsh environment, ...

Planetary Sciences May 14, 2024

Astronomers discover WASP-193b, a giant planet with a density similar to that of cotton candy

An international team led by researchers from the EXOTIC Laboratory of the University of Liège, in collaboration with MIT and the Astrophysics Institute in Andalusia, has just discovered WASP-193b, an extraordinarily low-density ...

Astronomy May 14, 2024

Three stars circling the Milky Way's halo formed 12 to 13 billion years ago

MIT researchers, including several undergraduate students, have discovered three of the oldest stars in the universe, and they happen to live in our own galactic neighborhood.

Planetary Sciences May 13, 2024

Dazzling auroras fade from skies as sunspot turns away

The spectacular auroras that danced across the sky in many parts of the world over the weekend are fading, scientists said Monday, as the massive sunspot that caused them turns its ferocious gaze away from Earth.

Planetary Sciences May 13, 2024

What causes the different colors of the aurora? An expert explains the electric rainbow

Last week, a huge solar flare sent a wave of energetic particles from the sun surging out through space. Over the weekend, the wave reached Earth, and people around the world enjoyed the sight of unusually vivid aurora in ...

Astrobiology May 13, 2024

Tracing the origins of organic matter in Martian sediments

Although Mars presents a barren, dusty landscape with no signs of life so far, its geological features such as deltas, lakebeds, and river valleys strongly suggest a past where water once flowed abundantly on its surface. ...

Astronomy May 13, 2024

Scientists discover huge magnetic toroids in the Milky Way halo

The origin and evolution of cosmic magnetic fields is a long-standing unsolved question at the frontier of astronomy and astrophysics research and has been selected as one of the key areas of investigation for many major ...

Environment May 13, 2024

Identity crisis: Climate destroying wonders that gave US parks their names

Glacier National Park's ice fortress is crumbling. The giant trees of Sequoia National Park are ablaze. And even the tenacious cacti of Saguaro National Park are struggling to endure a decades-long drought.

Astrobiology May 12, 2024

What deadly Venus can tell us about life on other worlds

Even though Venus and Earth are so-called sister planets, they're as different as heaven and hell. Earth is a natural paradise where life has persevered under its azure skies despite multiple mass extinctions. On the other ...

Planetary Sciences May 12, 2024

Second night of auroras seen 'extreme' solar storm

Auroras lit up skies across swaths of the planet for the second night in a row on Saturday, after already dazzling Earthlings from the United States to Tasmania to the Bahamas the day before.

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