A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...

After putting on a great show in our evening sky since the fall of 2024, dazzling Venus puts on a spectacular showing for early morning risers for the balance of 2025.

Amid harsh cuts, the Trump administration has proposed canceling the nearly ready-to-launch Nancy Grace Roman Space Telescope ...

Before and after the conjunction, Venus looks like a thin crescent — though only telescopes can see it. Those looking for signs of the transition can watch Venus move from the evening to morning ...

Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an inferior conjunction.

Venus and Saturn will shine brightly, easily visible to the naked eye, but if you have a backyard telescope or binoculars, ...