In simplest terms, the rate at which the universe expands on paper doesn’t match actual astronomical observations. That speed—called the Hubble Constant—is measured in units of kilometers per second ...

What is the universe's end date? We don't know exactly, but experts now say it could be sooner than previously expected.

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. The Universe is growing. Scientists have known as much for decades, but the rate at ...

Nobel laureate Dr. James Peebles will discuss the still-unanswered questions regarding the expansion of the universe, dark matter and more. We have good evidence that the universe we see around us is ...

Here’s what we know, and what we don’t. [ Related: The universe isn’t just expanding—it may be spinning. ] Let’s get the disappointment out of the way early: “There is physically ...

Right? But then in 1929 we learn that the universe is expanding and Einstein says, Ugh, I wish I would not have put that term in. Because my equations predicted that the universe is expanding and ...