As it turns out, the conditions that set Venus and Jupiter up for their conjunctions in the sky are the same that are ...

The outer solar system once seemed like a quiet backwater. But a glut of tiny, strange moons with unruly orbits are coming ...

As it turns out, the conditions that set Venus and Jupiter up for their conjunctions in the sky are the same that are ...

When the sun eventually expires and swells to engulf Earth, might the remnants of landfill and deeply buried nuclear waste be ...

A new telescope technology—measuring just 6 millimeters (0.24 inches) in diameter—could improve how future space missions ...

These destinations check a lot of boxes for eco-minded travelers who want optimal dark sky viewing far from city lights—but ...

The names of the days often feel so familiar that they pass unnoticed. They appear on calendars, meeting schedules and phone ...

Parker's instruments are gathering measurements while the Sun is in an active phase of its 11-year solar cycle, a period ...

An artist's conception showing a planetary smash-up between a Moon-sized object and a Mercury-sized object. (NASA/JPL-Caltech ...

Every planet, moon, asteroid, and comet in the solar system combined accounts for a sliver of its total mass. The Sun holds ...

Scientists studying a rare, ancient angrite meteorite found in the Sahara Desert have uncovered evidence of a lost ...

The SOLAR-1 satellite by NOAA is now fully operational after making the million-mile journey into deep space to study space ...