IT is easy to feel like we know nothing about our universe, and unexplained stellar objects are the most puzzling feature of ...

From a solar eclipse to a dolphin-like nebula, these winning shots by astrophotographers from around the world depict the ...

The order of the planets in the ... of several other space- and ground-based telescopes. I am fascinated by our quest to find Earth-sized exoplanets around small stars, and the big question ...

So far, searches for the hypothetical Planet Nine have yielded no such world. There are many possible reasons for this, one ...

Black holes are just one of myriad marvels in outer space. In this feature ... Accretion—The collection of material together to form a star, planet, or moon, usually mediated by a rotating ...

NASA Hubble's top images showcase a forming protostar, Arctic sea ice patterns, a dying star's planetary nebula, the ancient ...

Our solar system might still bear the scars from an extremely close shave with an alien star. Such an encounter – the closest pass we know of – would have shaken up objects on the outskirts and might ...

The Earth has pulled in moons of this type before but none have ever stuck around as long as the moon we know.

What comes to mind when you think of space? Imagine a friend boasting about a spacious building, stadium or museum they recently visited. Do you envision the building as vast and expansive? Is it ...

Preventing colonialism in outer space doesn’t require the space industry to agree on these metaphysical questions. Instead, it will require participants across and beyond the industry to agree on a ...

When Sarah Gillis performed ‘Rey’s Theme’, a piece John Williams composed for Star Wars: The Force Awakens, her concert hall ...

In a 2023 white paper, a group of concerned astronomers warned against repeating Earthly “colonial practices” in outer ... the stars. According to ESA, some six decades of human space ...