At 2:23 am Eastern time on March 19, 2025, an astronaut aboard the International Space station (ISS) captured a striking ...

The answer is as obvious as it seems – the Earth looks flat when you're standing on it, not cone-shaped. Visual evidence ...

Satellites are giving cities a clearer view of methane emissions from landfills, turning hard-to-spot leaks into actionable ...

Physicists have started to treat a once-fringe idea with surprising seriousness: that our entire observable universe might be ...

A colossal Martian volcano defies everything we know about planetary geology. Hidden clues beneath its frozen summit hint at ...

New observations of a nearby red giant star suggest that a long-standing explanation for how giant stars spread life’s essential elements through the galaxy may be incomplete. Starlight pushing on gra ...

Asteroid 2024 YR4, a 53–67 meter wide object discovered by Chile's ATLAS telescope in late 2024, poses a significant threat ...

It is with a heavy heart that I announce that NASA Earth Science Communications has directed The Earth Observer to conduct an ...

When to see the wolf moon in Northeast Ohio The wolf moon reaches peak illumination at 5:03 a.m. Saturday, Jan. 3, according ...

Before the total lunar eclipse, or blood moon, in March 2026, look back at the best lunar eclipse, blood moon and other super ...

On the launch anniversary of the NASA/ESA/CSA James Webb Space Telescope, ESA presents a unique compilation of zooms into ...