Today in the history of astronomy, the facility that eventually will become the Cape Canaveral Spaceport and Kennedy Space ...

We cannot measure the slowing of time near the Big Bang because there is no “cosmic clock” outside of this event against ...

Main-belt world Egeria is drifting near the star 80 Virginis tonight — the asteroid’s motion will be readily observable.

Now 15th magnitude, the comet is well-positioned for observation late overnight and into the early-morning hours.

The new international award honoring leadership in protecting life on Earth will be presented during STARMUS VIII – The ...

Today in the history of astronomy, JAXA begins its historic sample-return mission.

M94, also called the Croc’s Eye Galaxy, glows high in the sky tonight. How much detail can your scope pick out?

New analysis of ALMA observations of interstellar comet 3I/ATLAS show its water carries a chemical signature pointing to a colder, more distant origin than any comet ever measured.

M51 and M101. Although technically the same magnitude, one is more challenging than the other. Let’s take advantage of the moonless early-evening sky to enjoy two lovely face-on spiral galaxies. We’ll ...

Today in the history of astronomy, Hubble images a highly anticipated visitor from the outer solar system.

A crescent Moon guides the way to the Red Planet as galaxies glow and Venus stands between the horns of the Bull in the sky ...