When global events set our minds to wondering if humanity has what it takes to persist, it's natural to wonder about other worlds, other life, other intelligent species, and if those others might be ...

If Earth needs to borrow a cup of sugar, it's comforting to know that there may be a convenient, possibly habitable, world orbiting Alpha Centauri only 4.34 light years away – at least, if the ...

When an unidentified interstellar object several miles wide comes hurtling through our solar system at 37 miles a second, the ...

The recent discovery of a potential gas giant circling the nearby star Alpha Centauri A has led to speculation that it may be ...

On August 8, 2025, scientists at UT Austin's Cosmic Frontier Center announced the discovery of the oldest confirmed black ...

Astronomers had hoped to observe an atmosphere on one of the seven planets known to orbit Trappist-1, a red dwarf star. A new ...

I am writing this column surrounded by boxes. My astronomy books are packed, as are many of our belongings. In a few days I ...

Yet, despite using the JWST's sensitive Near-Infrared Spectrometer, or NIRSpec, astronomers led by Piaulet-Ghorayeb found no ...

How close to Earth could we find the next Earth-like exoplanet? This is what two papers accepted in The Astrophysical Journal ...

Earth" planets in our galaxy—think bigger than Earth, smaller than Neptune, and with all kinds of surfaces, from rocky to water-rich. Some, like TOI-715 b and Kepler-62 e, orbit in their stars' ...

The TRAPPIST-1 system, home to seven Earth-sized planets orbiting a red dwarf star, has long been a target for astronomers ...

This week, astronomers have documented the occurrence of an unprecedented stellar death unlike anything seen before.