What are smart scopes? And why are they great for astrophotography? EarthSky’s Marcy Curran tells you why she loves them.

Discover the best things to see in the night sky this month, from planets to moon meet-ups and deep-sky wonders.

If some aspects of cosmic topology turn out to be true, the idea that starships might voyage across the cosmos for hundreds of thousands of light-years without ever returning to the same neck of ...

The autumnal equinox occurs at 8:05 P.M. EDT. This moment marks the changing of the astronomical seasons; for those in the Northern Hemisphere, this is when summer ends and autumn begins. However, ...

Full Moon occurs at 12:49 P.M. EDT. The Moon then passes 5° north of Neptune at 3 PM EDT. Rising around sunset and setting around sunrise, the September Full Moon is traditionally called the Corn Moon ...

In The Edge of Space-Time: Particles, Poetry, and the Cosmic Dream Boogie, Chanda Prescod-Weinstein - professor of physics at the University of New Hampshire and the first Black woman to earn tenure ...

U.S. equities climbed on Thursday, supported by a drop in Treasury yields and oil prices and gains in key technology stocks, as traders clawed back losses from the prior trading day caused by the ...

The cosmological constant Λ, and its generalization as dark energy, makes up roughly 70% of the present-epoch Universe and has been part of the dominant ΛCDM cosmological paradigm for more than a ...

The Dow Jones Industrial Average fell for a third straight session on Thursday, as Treasury yields at multidecade highs continued to weigh on the most cyclical parts of the market. The 30-stock index ...

Fed meeting today: Fed hikes rates by a quarter point, sees only one more move higher this year and next — live updates The Federal Reserve raised its benchmark interest rate by a quarter-point rate ...

NASA's Hubble Space Telescope completed its 200,000th orbit around Earth on Sept. 19, marking another milestone for an observatory that continues to transform our understanding of the universe. Hubble ...