The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Russian scientists claim to have developed a plasma electric rocket engine that could enable travel to Mars in just one to ...

Aimed at the nearby star PDS 70, the James Webb Space Telescope is watching newborn planets take shape before our eyes in ...

Russia's state-owned Rosatom announced a prototype plasma engine which could speed up travel to other planets.

Did you know that the current CO2 concentration in the Earth's atmosphere has peaked in the last million years? A further increase in these indicators will lead to irreversible processes on our planet ...

Engineers developed an engine prototype which could reach unprecedented speeds, cutting down interplanetary travel time.

Russia's State Atomic Energy Corporation, Rosatom, recently developed a new spacecraft engine with impressive specifications.

Private space company Stoke announces a new design for a rocket engine that could make the Nova launcher's second stage ...

The Blue Ghost lunar mission has captured a gorgeous image of Earth as it ramps up its journey toward the moon.

Is it a plane? No, it's super Neptune! But this Superman-mimicking planet is not blasting through space on its own. It is being dragged along by its parent star. NASA scientists have discovered ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.