the National Radio Astronomy Observatory (NRAO), the National Optical Astronomy Observatory, and Gemini Observatory. ACEAP is supported by the U.S. National Science Foundation (NSF). Participants ...

A Month of Bright Planets Venus blazes at its brightest for the year after sunset, then Mars and Jupiter to rule the night ...

The subject of this NASA/ESA Hubble Space Telescope image is a supernova-hosting galaxy located about 600 million light-years ...

In a groundbreaking discovery, astronomers have traced a fast radio burst, or FRB, to the outskirts of an ancient, quiescent elliptical galaxy.

Venus, Jupiter, and Mars dominate the sky. Catch your last views of Saturn as early in the month, the Moon passes in front of ...

I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern ...

Here’s what you should know when you go outside to see for yourself: Yes, the planets are indeed lined up across our sky. No, ...

The subject of this NASA/ESA Hubble Space Telescope image is a supernova-hosting galaxy located about 600 million light-years away in the constellation Gemini. Hubble captured this image roughly ...

Einstein Probe's Wide-field X-ray Telescope (WXT) detected a burst of low-energy X-rays. Astronomers call such X-rays "soft," ...

Have you read on social media about the “once in 396 billion years” planetary alignment happening on Jan. 25? Guess what? Social media is not reliable. Here’s what’s really going on — and why you ...

Starting with the Moon’s journey across the sky this month, you’ll find the slim crescent of Earth’s natural satellite cozied ...