A Nasa rover has reached a promising place to search for fossilised life on Mars

The Perseverance rover has arrived at what’s thought to be an ancient shoreline on Mars.

Sean McMahon, Chancellor's Fellow in Astrobiology, The University of Edinburgh • conversation
yesterday ~7 min

The rising flood of space junk is a risk to us on Earth – and governments are on the hook

The amount of space junk will increase as we continue to launch objects into space, but there are ways to curb damage on the ground.

Thomas Cheney, Vice Chancellors Research Fellow, Northumbria Law School, Northumbria University, Newcastle • conversation
April 17, 2024 ~6 min


Saturn’s ocean moon Enceladus is able to support life − my research team is working out how to detect extraterrestrial cells there

Saturn’s moon Enceladus has geysers shooting tiny grains of ice into space. These grains could hold traces of life − but researchers need the right tools to tell.

Fabian Klenner, Postdoctoral Scholar in Earth and Space Sciences, University of Washington • conversation
April 17, 2024 ~8 min

Exploding stars send out powerful bursts of energy − I’m leading a citizen scientist project to classify and learn about these bright flashes

Where specialized algorithms fail to classify star-borne pulses, human volunteers with just a little training can step in.

Amy Lien, Assistant Professor of Physics, University of Tampa • conversation
April 16, 2024 ~7 min

Could a telescope ever see the beginning of time? An astronomer explains

Now out in space for more than two years, the James Webb Space Telescope is a stunningly sophisticated instrument.

Adi Foord, Assistant Professor of Astronomy and Astrophysics, University of Maryland, Baltimore County • conversation
April 8, 2024 ~9 min

Eclipses aren’t just visual spectacles, they are at the heart of scientific efforts to understand distant planets

A type of eclipse is crucial for measuring what’s in the atmospheres of planets orbiting distant stars.

Oisin Creaner, Assistant Professor of Physical Sciences, Dublin City University • conversation
April 8, 2024 ~6 min

If life exists on Jupiter’s moon Europa, scientists might soon be able to detect it

An instrument on the Europa Clipper mission might be able to detect biological cells from space.

Lucinda King, Space Projects Manager & Mission Design Lead, University of Portsmouth • conversation
April 5, 2024 ~7 min

Looking to photograph a solar eclipse with your smartphone? Try these features and think about creative angles

Your phone can’t take a perfectly clear picture of a solar eclipse like a professional camera can, but there are lots of other creative directions you can take to capture the rare moment.

Douglas Goodwin, Visiting Assistant Professor in Media Studies, Scripps College • conversation
April 1, 2024 ~7 min


Exploding stars are rare but emit torrents of radiation − if one happened close enough to Earth, it could threaten life on the planet

Some ancient texts record what were likely dying stars, faintly visible from Earth. If close enough, these events can disturb telescopes and even damage the ozone layer.

Chris Impey, University Distinguished Professor of Astronomy, University of Arizona • conversation
March 29, 2024 ~9 min

NASA’s mission to an ice-covered moon will contain a message between water worlds

Europa Clipper will contain a plaque that celebrates humanity’s relationship with water and a decades-old tradition of searching for life outside Earth.

Douglas Vakoch, President, METI International; Professor Emeritus, California Institute of Integral Studies • conversation
March 28, 2024 ~8 min

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