Pluto was believed to be the only body beyond Neptune with an atmosphere. Now, a new discovery in our solar system is ...

Worlds this small and distant are thought to be too cold and have too little surface gravity to hold onto gases. But the findings suggest that icy, rocky objects in the solar system's outer reaches ar ...

By Will Dunham WASHINGTON, May 4 (Reuters) - In the far reaches of our solar system - beyond the outermost planet Neptune - ...

Hyderabad will witness the rare Zero Shadow Day today at 12:12 pm, when upright objects briefly lose their shadows due to the ...

The presence of deuterium, an isotope of hydrogen, in 3I/ATLAS suggests the interstellar comet formed in a much colder place ...

In this video, we explore the consequences of replacing the Sun with extreme celestial objects. Simulations illustrate the effects on Earth if it were substituted with: - White Dwarf Star - Neutron ...

A mysterious comet from beyond our solar system is giving astronomers a rare glimpse into alien worlds — and it may have ...

Scientists studying a region of outer space near Pluto have discovered the unexpected: a celestial body that has an ...

A rare observation opportunity revealed the presence of a thin atmosphere around a small object beyond Pluto.

In the far reaches of our solar system — beyond the outermost planet Neptune — resides a host of icy and desolate celestial ...

- Lagoon Nebula (M8) is an emission nebula in Sagittarius.

There are countless objects spinning around in space, but this is an astronomical first! Dan Smith shows how one small comet ...