The most impressive feature on Mercury is the Caloris Basin, a vast, multi-ringed crater over 800 miles across, which is ...

As July begins, three planets adorn the early evening sky. Look toward the northwest and you'll see Venus. The planet shines ...

Let your intuition make the decisions for you once Mercury moves into Cancer on June 1. The next few weeks are a prime time ...

As the second-largest state, Texas covers an extraordinary amount of the geographical area in the U.S., able to fit 15 of the ...

Despite being the closest planet to the sun, Mercury has thick deposits of ice at its poles, and now we may understand the ...

The exoplanet is gravitationally gripped in a speedy, 11-hour orbit around a red dwarf star that's less than one-fifth the ...

Looking for a sky event this week? Check out our full Sky This Week column. May 24: Egeria slides on by After reaching superior conjunction midmonth, Mercury is increasing in visibility and should be ...

The familiar concept of a planetary core, a small, dense metallic heart we take for granted, may be the exception rather than ...

The moon glows with the Beehive Cluster on May 21, as a trio of planets form up in the evening sky.

NASA’s Psyche mission to investigate a metal-rich asteroid captured rare glimpses of Mars during a recent flyby.

This view of a crescent Mars was captured on May 15, 2026, at about 5:03 a.m. PDT by NASA's Psyche mission as it approached ...

Sky This Week is brought to you in part by Celestron. Friday, May 22Uranus is in conjunction with the Sun at 10 A.M. EDT, so ...