Mercury currently appears as a bright "evening star" in the southwestern sky at sunset. Mercury will reach its greatest ...

Mercury reaches its greatest elongation, its peak visible separation from the Sun, at 6:00 p.m. ET (5 p.m. CDT) on October 29 ...

Mercury reaches its greatest eastern elongation on October 29, appearing farthest from the Sun in the southwestern sky, offering a brief window for observation after sunset.

A fast-orbiting, 700-metre asteroid discovered within Venus's orbit highlights hidden near-Sun populations and underscores ...

Image specialist Andy Saunders on mining NASA's archives for the ultimate record of America's early space programs ...

Astronomers have identified 2025 SC79, a new asteroid with a remarkably fast 128-day orbit, placing it among the ...