A waxing gibbous moon and the ringed planet Saturn will enlighten our sky for treat-or-treaters this Halloween.

Find out what's up in your night sky during November 2025 and how to see it in this Space.com stargazing guide.

Newly discovered multi-wavelength view of a stellar eruption on a young Sun-like star is changing how we think about life's ...

New planet is one of the best ever hopes for seeing alien life, scientists say - Less than 20 light years away, we could soon ...

Exoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining ...

For all the talk about life across the cosmos, Earth remains the only confirmed example. That single data point makes your place in the universe feel both ordinary and strange.

Interstellar comet 3I/ATLAS reaches perihelion hidden from Earth's view. Learn why NASA and ESA spacecraft have a front-row ...

PoET and ESPRESSO telescopes are new tools that will eliminate stellar noise and detect Earth-like planets around Sun-like stars.

On October 18, 2025, the 4-meter Multi-Object Spectroscopic Telescope (4MOST) facility, installed on the VISTA telescope at ...

But while October 21 and October 22 will be the best evenings to spot the shower, Scots will still need to make sure they go ...

A pair of once-in-a-lifetime comets are rocketing through our skies right now, and it's a rare treat because they won't be back for hundreds of years. The comets, C/2025 A6 (Lemmon) and C/2025 R2 ...

Technically, it's not a real moon. It's what scientists call a quasi-moon—a space rock that doesn't orbit Earth directly but ...