18 April 2025
Whenever thereās even a slight chance that an exoplanet shows signs of biological activity, people understandably get excited ā but itās never been aliens, and we shouldnāt jump to conclusions, not this time or the next, says Chris Lintott
23 September 2020
With wildfires raging, the outlook looks bleak from San Francisco. Thinking about the future in terms of āhope horizonsā can help, writes Annalee Newitz
1 January 2020
There is no law of physics dictating that dark matter and dark energy canāt be connected, and it is natural to wonder about it, writes Chanda Prescod-Weinstein
23 October 2019
Designating rocks just a few kilometres across as moons is misleading and ridiculous. We need to do a Pluto and cut moons down to size, argues Leah Crane
7 August 2019
Exoplanets are abundant near the galaxy's smallest stars. Observing M dwarfs could teach us more about the worlds beyond our solar system, writes Chanda Prescod-Weinstein
30 August 2006
The decision to relegate Pluto from planet to "dwarf planet" was a wrench for astronomers, but there's no need for a tearful farewell, says Stephen Battersby
