The Mars Sample Return mission has a shaky future, and NASA is calling on private companies for backup

It’s not easy to collect rocks on a budget when the rocks are 140 million miles away.

Chris Impey, University Distinguished Professor of Astronomy, University of Arizona • conversation
yesterday ~9 min

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
April 23, 2024 ~7 min


Nasa to overhaul mission returning samples from Mars – here’s why it must and will go ahead

There’s anxiety among space scientists following Nasa’s decision to rethink sample return mission from Mars.

John Bridges, Professor of Planetary Science, University of Leicester • conversation
April 22, 2024 ~7 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

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

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


The total solar eclipse in North America could help shed light on a persistent puzzle about the Sun

The eclipse will allow scientists to get rare measurements of the Sun’s atmosphere.

Huw Morgan, Reader in Physical Sciences, Aberystwyth University • conversation
March 27, 2024 ~7 min

An eclipse for everyone – how visually impaired students can ‘get a feel for’ eclipses

Eclipses are rare, fantastic celestial events. Here’s how educators can help visually impaired students enjoy eclipses alongside their sighted peers.

David Hurd, Professor of Geosciences, Pennsylvania Western University • conversation
March 22, 2024 ~7 min

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