Back in 1969 – more than a half-century ago – Apollo 11 astronauts Neil Armstrong and Buzz Aldrin landed on the Moon. At least that’s what most people think. But a few still insist that humans did not ...

Have you ever played hide-and-seek in a new place? It’s much harder than playing at home. You only know the obvious hiding spots: under the bed, in the closet, behind the couch. The trick is trying to ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. What do astronomers have to say about the Moon ...

Since its discovery, astronomers have been frantically trying to gather as much information as they can about the newest interstellar interloper dubbed 3I/ATLAS. It's been challenging, but they've ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. Back in 1969 – more than a half-century ago – ...

Current extraterrestrial life searches primarily focus on life resembling Earth-based life due to limitations in imagining alternative life forms and the need for a starting point in the investigation ...

Astronomers can estimate ages for stars outside the Solar System, but not planets. This article was originally published at The Conversation. The publication contributed the article to Space.com's ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. How do we know the age of the planets and stars?

Astronomers may have found a dark, primordial galaxy — an enormous, undisturbed mass of cold hydrogen gas that has yet to form any stars — sitting in the modern-day universe. If confirmed, the object ...

I'm working on a huge project for my day job right now, and it involves writing a lot of basic material about dark energy. I'm supposed to be brief, but how do you concisely describe dark energy? You ...

Evidence has been building of a huge planet, known to astronomers only as Planet 9, which may be lurking at the outer regions of the solar system. Other models show something is pulling objects that ...