Time and space-time Of course, scientists want to understand how we experience time in mathematical terms that can be tested through experiments. In relativity, the three dimensions of physical space ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON (AP) — Time moves a tad faster on ...

Astronomy on Tap ATX is partnering with C. L. Butaud for Astronomy Uncorked. It’s November. The days are getting shorter and colder. We just turned back our clocks. But what is this thing we call time ...

Astronomy photographers, your time to shine is here. The 2025 Astronomy Photographer of the Year contest is now open for entries, giving you the opportunity to submit your favorite images of the night ...

From a dragon-shaped aurora to the Milky Way framing the Isaac Newton Telescope in Spain, the 16th Astronomy Photographer of the Year competition has released its stunning shortlisted finalists ahead ...

Astronomers have captured unprecedented, detailed images of two stellar explosions—known as novae—within days of their ...

That's a lot of standard candles. June 22 marks the 350th anniversary of the Royal Observatory Greenwich, the home of the historic Prime Meridian that is considered by many to be the birthplace of ...

People usually apply to graduate programs at research universities in Washington. But uncertain funding means there could be ...

The holiday season is the best time to deepen your love of the cosmos — or give someone you know a great space-themed gift. But finding the perfect astronomy present is hard. Are you stumped on what ...

WASHINGTON (AP) — Time moves a tad faster on the moon. Now an international group of astronomers has joined calls to give the moon its own clock so that future space missions can keep track of minutes ...