While mapping the nearby universe, astronomers discovered the largest-known structure in the universe, about 425 million to ...

What if reaching Mars took only 30 days? Russian researchers have developed an innovative plasma engine, promising to ...

New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.

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

Where is all the water that may form oceans on distant planets and moons? The SPHEREx astrophysics mission will search the ...